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Exoplanet WASP-69b has a cometlike tail – this unique feature is helping scientists like me learn more about how planets evolve

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theconversation.com – Dakotah Tyler, Ph.D. Candidate in Astrophysics, University of California, Los Angeles – 2024-05-08 07:35:12

WASP-69b closely orbits its sun.

W. M. Keck Observatory/Adam Makarenko

Dakotah Tyler, University of California, Los Angeles

Located 163 light-years from Earth, a Jupiter-sized exoplanet named WASP-69b offers astrophysicists a window into the dynamic processes that shape planets across the galaxy. The star it orbits is baking and stripping away the planet’s atmosphere, and that escaped atmosphere is being sculpted by the star into a vast, cometlike tail at least 350,000 miles long.

I’m an astrophysicist. My research team published a paper in the Astrophysical Journal describing how and why WASP-69b’s tail formed, and what its formation can illuminate about the other types of planets astronomers tend to detect outside of our solar system.

A planet with a gaseous cloud around it in the shape of a tail, orbiting around a sun.

Artist’s interpretation of an aerial view of the exoplanet WASP-69b on its 3.8-day orbit around its host star. Its atmosphere is being stripped away and sculpted into a long cometlike tail that trails the planet.

W. M. Keck Observatory/Adam Makarenko

A universe filled with exoplanets

When you look up at the night sky, the stars you see are suns, with distant worlds, known as exoplanets, orbiting them. Over the past 30 years, astronomers have detected over 5,600 exoplanets in our Milky Way galaxy.

It isn’t easy to detect a planet light-years away. Planets pale in comparison, in both size and brightness, to the stars that they orbit. But despite these limitations, exoplanet researchers have uncovered an astonishing variety – everything from small rocky worlds barely larger than our own moon to gas giants so colossal that they’ve been dubbed “super-Jupiters.”

However, the most common exoplanets astronomers detect are larger than Earth, smaller than Neptune, and orbit their stars more closely than Mercury orbits our Sun.

These ultra-common planets tend to fall into one of two distinct groups: super-Earths and sub-Neptunes. Super-Earths have a radius that’s up to 50% larger than Earth’s radius, while sub-Neptunes typically have a radius that’s two to four times larger than Earth’s radius.

A diagram showing the relative sizes of exoplanet categories, with Gas Giants by far the largest, the Neptune-like (or sub-Neptunes), super-Earths and terrestrial rocky planets.

Sub-Neptunes, or Neptune-like planets, look at lot like a super-Earth, but with a thick atmosphere.

NASA-JPL/Caltech

Between those two radius ranges, there’s a gap, known as the “Radius Gap,” in which researchers rarely find planets. And, Neptune-sized planets that complete orbits around their stars in less than four days are exceedingly rare. Researchers call that gap the “Hot Neptune Desert.”

Some underlying astrophysical processes must be preventing these planets from forming – or surviving.

Planet formation

As a star forms, a large disk of dust and gas forms around it. In that disk, planets can form. As young planets gain mass, they can accumulate significant gas atmospheres. But as the star matures, it starts to emit high amounts of energy in the form of ultraviolet and X-ray radiation. This stellar radiation can bake away the atmospheres that the planets have accumulated in a process called photoevaporation.

Rings of gas and dust rotating around a hot bright core.

A planet-forming disk.

ALMA (ESO/NAOJ/NRAO)

However, some planets resist this process. More massive planets have stronger gravity, which helps them hold onto their original atmospheres. Additionally, planets that are farther away from their star aren’t hit with as much radiation, so their atmospheres erode less.

So, maybe a significant portion of super-Earths are actually the rocky cores of planets that had their atmospheres completely stripped, while sub-Neptunes were massive enough to retain their puffy atmospheres.

As for the Hot Neptune Desert, most Neptune-sized planets simply are not massive enough to completely resist the stripping power of their star if it orbits too closely. In other words, a sub-Neptune orbiting its star in four days or fewer will quickly lose its entire atmosphere. When observed, the atmosphere has already been lost and what remains is a bare rocky core – a super-Earth.

To put this theory to the test, research teams like mine have been collecting observational evidence.

WASP-69b: A unique laboratory

Enter WASP-69b, a unique laboratory for studying photoevaporation. The name “WASP-69b” comes from the way it was discovered. It was the 69th star with a planet, b, found in the Wide Angle Search for Planets survey.

Despite being 10% larger than Jupiter in radius, WASP-69b is actually closer to the mass of much lighter Saturn – it’s not very dense, and it has only about 30% the mass of Jupiter. In fact, this planet has about the same density as a piece of cork.

This low density results from its ultra-close 3.8-day orbit around its star. Being so close, the planet receives an immense amount of energy, which causes it to heat up. As gas heats, it expands. Once the gas expands enough, it begins to escape the planet’s gravity for good.

When we observed this planet, my colleagues and I detected helium gas escaping WASP-69b rapidly – about 200,000 tons per second. This translates to the mass of the Earth lost every billion years.

Over the star’s lifetime, this planet will end up losing a total atmospheric mass equivalent of nearly 15 times the mass of Earth. This sounds like a lot, but WASP-69b is approximately 90 times Earth’s mass, so even at this extreme rate, it will only ever lose a small fraction of the total amount of gas from which it is comprised.

The cometlike tail of WASP-69b

Perhaps most striking is the discovery of WASP-69b’s extended helium tail, which my team detected trailing behind the planet for at least 350,000 miles (about 563,000 kilometers). Strong stellar winds, which are a constant flow of charged particles emitted from stars, sculpt tails like this. These particle winds ram into the escaping atmosphere and shape it into a cometlike tail behind the planet.

WASP-69b’s escaping atmosphere.

Our study is actually the first to suggest that WASP-69b’s tail was so extensive. Past observations of this system suggested the planet had only a modest tail or even no tail at all.

This difference likely comes down to two main factors. For one, each research group used different instruments to make their observations, which could result in varying detection levels. Or, there could be actual variability in the system.

A star like our Sun has a magnetic activity cycle, called the “solar cycle.” The Sun’s lasts for 11 years. During peak activity years, the Sun has more flares, sunspots and changes to the solar wind.

To complicate things even more, each cycle is unique – no two solar cycles are the same. Solar scientists are still trying to better understand and predict our Sun’s activity. Other stars have their own magnetic cycles, but scientists just don’t have enough data to understand them yet.

So the variability observed for WASP-69b may come from the fact that every time it gets observed, the host star is behaving differently. Astronomers will have to continue to observe this planet more in the future to get a better idea of exactly what’s going on.

Our direct look at WASP-69b’s mass loss tells exoplanet researchers like me more about how planetary evolution works. It gives us real-time evidence for atmospheric escape and supports the theory that hot Neptunes and Radius Gap planets are hard to find because they just aren’t massive enough to retain their atmospheres. And once they lose them, all that is left to observe is a rocky super-Earth core.

The WASP-69b study highlights the delicate balance between a planet’s composition and its stellar environment, shaping the diverse planetary landscape we observe today. As astronomers continue to probe these distant worlds, each discovery brings us closer to understanding the complex tapestry of our universe.The Conversation

Dakotah Tyler, Ph.D. Candidate in Astrophysics, University of California, Los Angeles

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Francis − a pope who has cared deeply for the poor and opened up the Catholic Church

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theconversation.com – Mathew Schmalz, Professor of Religious Studies, College of the Holy Cross – 2025-02-24 15:05:00

Francis − a pope who has cared deeply for the poor and opened up the Catholic Church

Pope Francis during the Palm Sunday Mass at St. Peter’s Square on April 2, 2023, in Vatican City.
Antonio Masiello/Getty Images

Mathew Schmalz, College of the Holy Cross

Pope Francis, who remains in critical condition and hospitalized as he battles pneumonia in both lungs, was elected pope on March 13, 2013, after the surprise resignation of Benedict XVI.

Prior to becoming pope, he was Jorge Mario Bergoglio, archbishop of Buenos Aires, and was the first person from the Americas to be elected to the papacy. He was also the first pope to choose Francis as his name, thus honoring St. Francis of Assisi, a 13th-century mystic whose love for nature and the poor have inspired Catholics and non-Catholics alike.

Pope Francis chose not to wear the elaborate clothing, like red shoes or silk vestments, associated with other popes. As a scholar of global Catholicism, however, I would argue that the changes Francis brought to the papacy were more than skin deep. He opened the church to the outside world in ways none of his predecessors had done before.

Care for the marginalized

Pope Francis reached out personally to the poor. For example, he turned a Vatican plaza into a refuge for the homeless, whom he called “nobles of the street.”

A smiling young man, dressed in black, poses for a photo.
The Argentinian Jorge Mario Bergoglio, ordained for the Jesuits in 1969 at the Theological Faculty of San Miguel.
Jesuit General Curia via Getty Images

He washed the feet of migrants and prisoners during the traditional foot-washing ceremony on the Thursday before Easter. In an unprecedented act for a pope, he also washed the feet of non-Christians.

He encouraged a more welcoming attitude toward gay and lesbian Catholics and invited transgender people to meet with him at the Vatican.

On other contentious issues, Francis reaffirmed official Catholic positions. He labeled homosexual behavior a “sin,” although he also stated that it should not be considered a crime. Francis criticized gender theory for “blurring” differences between men and women.

While he maintained the church’s position that all priests should be male, he made far-reaching changes that opened various leadership roles to women. Francis was the first pope to appoint a woman to head an administrative office at the Vatican. Also for the first time, women were included in the 70-member body that selects bishops and the 15-member council that oversees Vatican finances. Shortly before his death, he appointed an Italian nun, Sister Raffaella Petrini, as President of the Vatican City.

Pope Francis holding on to a railing as he greets people.
Pope Francis in St. Peter’s Square on April 18, 2022.
Stefano Spaziani/Mondadori Portfolio via Getty Images

Not shy of controversy

Some of Francis’ positions led to opposition in some Catholic circles.

One such issue was related to Francis’ embrace of religious diversity. Delivering an address at the Seventh Congress of Leaders of World and Traditional Religions in Kazakhstan in 2022, he said that members of the world’s different religions were “children of the same heaven.”

While in Morocco, he spoke out against conversion as a mission, saying to the Catholic community that they should live “in brotherhood with other faiths.” To some of his critics, however, such statements undermined the unique truth of Christianity.

During his tenure, the pope called for “synodality,” a more democratic approach to decision making. For example, synod meetings in November 2023 included laypeople and women as voting members. But the synod was resisted by some bishops who feared it would lessen the importance of priests as teachers and leaders.

In a significant move that will influence the choosing of his successor, Pope Francis appointed more cardinals from the Global South. But not all Catholic leaders in the Global South followed his lead on doctrine. For example, African bishops publicly criticized Pope Francis’ December 2023 ruling that allowed blessings of individuals in same sex couples.

His most controversial move was limiting the celebration of the Mass in the older form that uses Latin. This reversed a decision made by Benedict XVI that allowed the Latin Mass to be more widely practiced.

Traditionalists argued that the Latin Mass was an important – and beautiful – part of the Catholic tradition. But Francis believed that it had divided Catholics into separate groups who worshiped differently.

This concern for Catholic unity also led him to discipline two American critics of his reforms, Bishop Joseph Strickland of Tyler, Texas, and Cardinal Raymond Burke. Most significantly, Carlo Maria Viganò, the former Vatican ambassador, or nuncio, to the United States was excommunicated during Francis’ tenure for promoting “schism.”

Recently, Pope Francis also criticized the Trump administration’s efforts to deport migrants. In a letter to US Bishops, he recalled that Jesus, Mary and Joseph had been emigrants and refugees in Egypt. Pope Francis also argued that migrants who enter a country illegally should not be treated as criminals because they are in need and have dignity as human beings.

Writings on ‘the common good’

In his official papal letters, called encyclicals, Francis echoed his public actions by emphasizing the “common good,” or the rights and responsibilities necessary for human flourishing.

Several people seated in a row watch as the pope washes the feet of one of them.
Pope Francis washes the foot of a man during the foot-washing ritual at a refugee center outside of Rome on March 24, 2016.
L’Osservatore Romano/Pool Photo via AP

His first encyclical in 2013, Lumen Fidei, or “The Light of Faith,” sets out to show how faith can unite people everywhere.

In his next encyclical, Laudato Si’, or “Praise Be to You,” Francis addressed the environmental crisis, including pollution and climate change. He also called attention to unequal distribution of wealth and called for an “integral ecology” that respects both human beings and the environment.

His third encyclical in 2020, Fratelli Tutti, or “Brothers All,” criticized a “throwaway culture” that discards human beings, especially the poor, the unborn and the elderly. In a significant act for the head of the Catholic Church, Francis concluded by speaking of non-Catholics who have inspired him: Martin Luther King Jr., Desmond Tutu and Mahatma Gandhi.

In his last encyclical, Dilexit Nos, or “He Loved Us,” he reflected on God’s Love through meditating on the symbol of the Sacred Heart that depicts flames of love coming from Jesus’ wounded heart that was pierced during the crucifixion.

Francis also proclaimed a special “year of mercy” in 2015-16. The pope consistently argued for a culture of mercy that reflects the love of Jesus Christ, calling him “the face of God’s mercy.”

A historic papacy

Francis’ papacy has been historic. He embraced the marginalized in ways that no pope had done before. He not only deepened the Catholic Church’s commitment to the poor in its religious life but also expanded who is included in its decision making.

The pope did have his critics who thought he went too far, too fast. And whether his reforms take root depends on his successor. Among many things, Francis will be remembered for how his pontificate represented a shift in power in the Catholic Church away from Western Europe to the Global South, where the majority of Catholics now live.The Conversation

Mathew Schmalz, Professor of Religious Studies, College of the Holy Cross

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The murder rate in Venezuela has fallen − but both Trump and Maduro are wrong about why

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theconversation.com – Rebecca Hanson, Assistant Professor of Latin American Studies, Sociology and Criminology, University of Florida – 2025-02-24 07:41:00

The murder rate in Venezuela has fallen − but both Trump and Maduro are wrong about why

Members of government-backed militias take part in a march in Caracas, Venezuela, on Jan. 7, 2025.
AP Photo/Matias Delacroix

Rebecca Hanson, University of Florida

The body of former Venezuelan army officer Ronald Ojeda was found on Feb. 19, 2024, in a suitcase buried under 5 feet of concrete. Ojeda, accused by Venezuela of plotting against the government, had gone missing nine days earlier, when men dressed as police broke into his apartment in the Chilean capital of Santiago and dragged him away.

Following a yearlong investigation, authorities in Chile have now pointed the finger at the Venezuelan gang Tren de Aragua, claiming members carried out the assassination at the behest of that country’s president, Nicolás Maduro.

It comes as the relationship between Maduro’s government and criminal gangs is under increased scrutiny, both among regional governments in Latin America and in the United States.

Conservative media outlets in the U.S. and right-leaning groups such as the Heritage Foundation have accused Maduro of sending gang members into the U.S. to destabilize the country.

President Donald Trump has even suggested that Maduro successfully reduced crime by exporting gang members to the U.S. “Crime is down in Venezuela by 67% because they’re taking their gangs and their criminals and depositing them very nicely into the United States,” he told supporters in April 2024.

According to data from the Venezuelan Ministry of Health, shared with me by scholar of Venezuelan politics Dorothy Kronick, homicide rates have indeed come down in recent years. And this trend is confirmed by the Venezuelan Observatory of Violence.

The fall in homicide rates has coincided with Maduro successfully consolidating his authoritarian rule in Venezuela. And explanations of the drop in crime tend to imply that it is the result of the government co-opting and controlling gangs. Some observers have even referred to Venezuela as a “narcostate,” suggesting that drug trafficking in the country is an organized venture between top officials and criminal groups.

I have studied crime, violence and policing in Venezuela since 2011 and know that this narrative is at best oversimplistic, at worst outright mistruth. As I explore in my new book, “Policing the Revolution: The Transformation of Coercive Power and Venezuela’s Security Landscape During Chavismo,” the case of Venezuela is not one of government control over criminal groups. Rather, it is characterized by an unstable and volatile relationship between the government and multiple competing armed actors, including gangs and the police.

Violent, but becoming less so

Falling homicide rates should not mask the fact that Venezuela is still plagued by violence. Since the mid-2000s it has been ranked as one of the most violent countries in the world.

Former President Hugo Chávez was never able to get a handle on crime, particularly violent crime, which increased exponentially under his government. The trend continued during Maduro’s first years in office after Chávez’s death in 2013.

However, all available evidence suggests that Venezuela’s homicide rate has declined since reaching a peak in 2016 – by around 42%.

But there’s no evidence this is because the government is “offshoring” criminals.

Maduro’s own explanation for this decline portrays the government as handily controlling criminals by means of incredibly lethal police raids carried out between 2015 and 2019. In short, Maduro claims that the police have effectively “wiped out” criminal groups.

Competing police forces …

But rather than “wiping out” criminal organizations, the Maduro government has instead maintained volatile relationships with many armed groups, including gangs, nonstate paramilitary groups and even the country’s own police forces.

These relationships have produced significant conflict and dysfunction within state institutions. This is clear when looking at institutions presumed to be synonymous with state control, such as the police.

Chávez’s and Maduro’s governments put more police and soldiers in the streets. They created security institutions, such as the Policía Nacional Bolivariana, or Bolivarian National Police.

However, rapid growth of the security apparatus, amid competing approaches, has generated more conflict than coordination.

Police officers and police reformers I interviewed referred to state security policies and the changes they produced as akin to Frankenstein’s monster – an aberration rapidly outpacing the creator’s ability to control it.

What they mean is the government had created new security institutions so quickly that it is unable to supervise and control them. As one former police officer and Chavista politician told me: “Our challenge now is how to manage the monster we created.”

People in army fatigues and holding guns stand in front of a building.
Members of the National Guard take part in an anti-gang security operation in Caracas on July 13, 2015.
Federico Parra/AFP via Getty Images

State policies have also generated significant distrust between the police and the government, and among different police forces.

This distrust has even resulted in police forces coming to blows with each other in the streets on multiple occasions. On Feb. 19, 2020, a section of the Prados del Este highway in Caracas was shut down as officers from Venezuela’s National Police and the country’s investigative police brandished weapons, shoving, punching and wrestling each other to the ground.

… cooperating gangs

It is, as such, highly unlikely that falling homicide rates are the result of policing. Indeed, I interviewed over 200 police officers while conducting research for my book, and most believed that the government’s policing initiatives contributed to crime and violence rather than reducing it.

A more plausible explanation for falling homicide figures is that Maduro’s policies have resulted in more consolidated relationships between criminal groups themselves.

Maduro’s government has built relationships with gangs, but this doesn’t necessarily imply control over them. Since 2013 the government has negotiated pacts with some of the country’s largest gangs, including a gang confederation led by the infamous El Koki in Caracas and the Belén gang in the state of Miranda.

The government agreed to tolerate illicit activities within certain areas and prohibit police from entering gang territory. In exchange, gangs agreed to reduce killings and other highly visible crimes such as kidnapping. As my book and previous research with Verónica Zubillaga, Francisco Sánchez and Leonard Gómez shows, these pacts allowed gangs to consolidate control over territory and illicit markets.

Gangs also negotiated agreements among themselves in case the government pacts fell through. For example, they agreed to divide territory and markets to avoid future conflict and share resources such as weapons and ammunition. This produced less conflict between gangs and less disruption in illicit markets, resulting in fewer homicides.

When pacts have ruptured in the past, the spectacularly violent confrontations that ensued between gangs and the police have shown gangs’ capacity to resist government intervention. Still, the overall effect of pacts and gang consolidation has been a reduction in homicides.

As one neighbor living in gang territory put it: “Before, gangs confronted each other; they killed each other. Now they don’t. Now they are growing.”

‘Mother of all infuriations’

Relationships between the government and various nonstate armed groups, including gangs, have generated enormous discontent within police forces.

As one police officer explained in an interview, these pacts represented the “mother of all infuriations.” For many officers, the goverment’s pacts with other armed groups is tantamount to its sponsorship of criminal activities.

And this discontent has produced sporadic violent confrontations. Even when government-gang pacts are in place, the government has been unable to keep police forces from entering gang territory and engaging in deadly shootouts.

Certainly from the outside, it may look like Maduro’s government has co-opted gangs for political purposes. And with the U.S. government adding Tren de Aragua to its list of global terrorist groups, that could put Venezuela in danger of being labeled a “state sponsor of terrorism.”

However, the Ojeda case in Chile should not be taken as evidence that stable and strong ties exist between Maduro’s government and criminal groups – at least not yet.

Instead, authoritarian survival in Venezuela for now seems to depend on volatile relationships between multiple and competing armed groups that collaborate temporarily with the government when their diverse interests overlap.The Conversation

Rebecca Hanson, Assistant Professor of Latin American Studies, Sociology and Criminology, University of Florida

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How Roman society integrated people who altered their bodies and defied gender norms

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theconversation.com – Tom Sapsford, Assistant professor of Classical Studies, Boston College – 2025-02-24 07:36:00

How Roman society integrated people who altered their bodies and defied gender norms

A relief showing a gallus making sacrifices to the goddess Cybele and Attis.
Sailko via Wikimedia Commons, CC BY

Tom Sapsford, Boston College

A few weeks into his second term, President Donald Trump signed two executive orders restricting the rights of trans workers in the federal government. The first was a renewal of the ban on transgender people joining the U.S. military – initially signed in 2017 and later repealed by President Joe Biden in 2021. The second was a more sweeping memo that recognizes only two sexes in federal records and policies.

In the ancient Roman world, which I study, biological sex and gender expression did not always line up as neatly as the president is demanding to see in today’s government.

In antiquity, there were masculine women, feminine men and people who altered their bodies to match their gender expression more closely. In particular, two figures – the cinaedus and the gallus – provide examples of men whose effeminate behavior and modified anatomies were striking yet still integrated into Roman society.

The cinaedus and the commander in chief

In ancient Rome, some men who did not fit neatly within gender categories were called “cinaedi.” They were usually adult males singled out for their extreme effeminacy and nonnormative sexual desires.

The cinaedus was already a recognizable figure in ancient Greece and was first mentioned in the fourth century B.C. by Plato. He says little more than that a cinaedus’ life was terrible, base and miserable. Later Roman authors provide more detail.

Martial, a Roman poet writing in the first century A.D., for instance, describes a cinaedus’ dysfunctional penis as like a “soggy leather strap” in one epigram. In the same century, the Roman novelist Petronius has a cinaedus suggest that both he and his fellows have had their genitals removed.

In a fable by Phaedrus, also written in the first century A.D., a barbarian is threatening the troops of the military leader, Pompey the Great. All are afraid to challenge this fierce opponent until a “cinaedus” volunteers to fight.

The cinaedus is described as a soldier of great size but with a cracked voice and mincing walk. After pleading permission in a stereotypically lisping manner from Pompey the Great, his commander in chief, the cinaedus steps into battle. He quickly severs the barbarian’s head and, with army agog, is summarily rewarded by Pompey.

In Phaedrus’ fable, the cinaedus is untrustworthy. He is described as having stolen valuables from Pompey early on in the tale and then later swears on oath that he hasn’t.

Yet the moral of Phaedrus’ fable of the soldier-cinaedus is that such deceptive appearances and actions might actually be strategically successful in military matters. The cinaedus has an edge over Pompey’s other soldiers precisely due to his disarming effeminacy. In the tale, this doesn’t at all diminish his skills as a lethal fighter. Rather, the cinaedus’ effeminacy combined with his martial valor ultimately lead to the barbarian’s defeat.

Trans priests and the safety of the Roman state

The galli, another group that lived in the heart of the city of Rome, also blurred gender roles. They were males who had castrated their genitalia in dedication to the Great Mother goddess Cybele, who was their protector.

As reported by several ancient sources, including Cicero and Livy, in 204 B.C. the Roman state consulted a set of prophetic scrolls called the Sibylline Oracles on how best to respond to the pressures it faced as a result of the Second Punic War – Rome’s prolonged conflict with Carthage and its fierce military general, Hannibal.

The oracles’ answer – and Rome’s subsequent action – was to import a strange and foreign religious order from Asia Minor into the heart of Rome, where it would remain for the next several hundred years.

The temple of Cybele was located on the Palatine Hill, next to several important shrines, monuments and later even the residence of the Emperor Augustus. As the poet Ovid tells us, each year during Cybele’s festival the galli would proceed through the streets of Rome carrying a statue of the goddess, while ululating wildly in time with the sound of wailing pipes, banging drums and crashing cymbals.

More so than the figure of the cinaedus, ancient literary sources present the galli’s gender difference similarly to modern-day trans women, often using feminine pronouns when describing them.

For instance, the poet Catullus details the origin story of the galli’s founder figure, Attis, who was Cybele’s mythical consort and chief priest. Notably, Catullus switches from using masculine adjectives to feminine ones at the very moment of Attis’ self-castration.

YouTube video
Attis.

Similarly, in his novel, “The Golden Ass,” the second century A.D. writer Apuleius has one gallus address his fellow devotees as “girls.”

While several ancient sources mock these figures for their gender-nonconforming appearance and behaviors, it is nevertheless evident that the galli held a sacred place within the Roman state. They were viewed as being important to Rome’s continued safety and prominence.

For example, Plutarch in his “Life of Marius” relates that a priest of the Great Mother came to Rome in 103 B.C. to convey an oracle that the Romans would be triumphant in war. Though believed by the Senate, this priest, Bataces, was mocked mercilessly in the plebian assembly. However, when the individual who had insulted Bataces swiftly died of a terrible fever, the plebians too gave this oracle and the goddess’s prophetic powers their backing.

Today’s trans issues

Behind Trump’s executive orders are two assertions: first, that transgender identity is a form of ideology: a modern invention created to justify deviance from one’s sex as assigned at birth; second, that transgender identity is both a form of disease and of dishonesty.

The reissued military ban doubles down on the perceived dishonesty of trans folk, contrasting it with the ideals and principles needed for combat. The order states that the “adoption of a gender identity inconsistent with an individual’s sex conflicts with a soldier’s commitment to an honorable, truthful, and disciplined lifestyle.”

Taking a long view of gender diversity across millennia has shown me that many individuals in antiquity certainly lived lives outside of the clear-cut formula that the Trump administration has stated, namely that “women are biologically female and men are biologically male.”

Gender diversity is not simply a late 20th- or early 21st-century phenomenon. However, the fear that gender-diverse people are diseased and devious likewise arises in several ancient sources. In the classical world, these fears seem limited to the realms of satire and fantasy; in our current time, we are seeing these fears being harnessed for government policy.

This article incorporates material from a story originally published on Aug. 1, 2017.The Conversation

Tom Sapsford, Assistant professor of Classical Studies, Boston College

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