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Tensions between Brazil and Elon Musk’s business empire ratcheted up further as the country’s telecoms regulator threatened to sanction his satellite broadband company Starlink hours after its top court stood behind a controversial decision to ban social network X from the country.

Brazil’s President Luiz Inacio Lula da Silva also backed the top court’s Judge Alexandre de Moraes’ decision to suspend X. The judge found that X allowed postings of hate messages and falsehoods about the country’s electronic voting system that undermined Brazil’s democracy.

“The Brazilian judiciary may have given an important signal that the world is not obliged to put up with Musk’s far-right ideology just because he is rich,” Lula said in an interview with CNN Brasil released on Monday.

Reacting to the judge’s earlier move to freeze Starlink’s accounts for possible use to pay fines owed by X, Musk said in an X posting that he would seek a reciprocal seizure of Brazilian assets, but did not say how.

Starlink on Monday again found itself in Brazilian authorities’ crosshairs by refusing to obey Moraes’ order for all internet providers to block domestic access to X.

A senior official at telecommunications regulator Anatel said sanctions against Starlink for noncompliance could include the revocation of its license to operate in Brazil.

Anatel commissioner Artur Coimbra told Reuters that the regulator is inspecting all Brazilian telecom operators to make sure they have shut down Musk’s messaging platform.

Starlink is the only company that has told Anatel it will not comply with the judge’s ruling, Coimbra said.

Starlink did not immediately respond to a request for comment on Monday.

It previously told Anatel it was refusing to remove X from its service until the freeze on its Brazilian bank accounts was lifted, the telecom regulator confirmed to Reuters earlier on Monday.

Moraes last week froze Starlink’s accounts after X did not pay fines imposed for failing to obey judicial orders.

Sixth Biggest Market

Earlier on Monday, a Supreme Court panel voted unanimously to uphold the suspension of X in the country for defying a court order.

Moraes last week ruled that X should be suspended in Brazil because it did not name a local legal representative as required by law and ignored a deadline for compliance.

Justices Flavio Dino, Cristiano Zanin, Carmen Lucia and Luiz Fux sided with Justice Alexandre de Moraes. Three of the justices on the panel said the suspension could be reversed if the platform complied with previous rulings.

X did not immediately respond to a request for comment on the panel’s decision.

X was taken down for most Brazilians in the early hours of Saturday following Moraes’ decision although some people continued to access it through VPNs and other means. Moraes has also threatened to levy a fine of 50,000 reais ($8,902.66) a day on those using VPNs to access the social network, although it remains unclear how enforceable that threat is.

Brazil is X’s sixth-biggest market globally with about 21.5 million users as of April, according to Statista.

Moraes and Musk, who owns a controlling share in Starlink, have been locked in a months-long feud after the social media platform challenged orders to block accounts accused by investigators of spreading misinformation and hate.

While Moraes’ defenders see him as a crusader in the defense of democracy, critics accuse him of using heavy-handed methods on politicians and businessmen.

Musk has argued that Moraes sought to censor users and closed the X office in Brazil in August without appointing a new representative, triggering the suspension.

On Monday, Musk replied, “Exactly,” to a post that described the suspension as an attack on freedom of expression and Brazilians’ rights.

Chief Justice Luis Roberto Barroso, who was not on the review panel, said that removing legal representatives to avoid complying with court decisions “is a behavior that would not be acceptable anywhere in the world.”

X remained inaccessible for most users in Brazil.

© Thomson Reuters 2024

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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Super Earths are Quite Common Outside the Solar System, New Study Reveals

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April 26, 2025

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Super Earths are Quite Common Outside the Solar System, New Study Reveals

A team of international astronomers, led by Weicheng Zang from the Centre for Astrophysics | Harvard & Smithsonian (Cfa), had announced the discovery of a planet whose size is twice that of Earth, and orbits around its star at a distance farther out than Saturn. These findings reveal how planets differ from our existing solar system. The discovery was first published in the Journal Science on April 25, 2025. Scientists fetched this data from the Korea Microlensing Telescope Network (KMTNet), also known as the largest microlensing survey to date.

This Super Earth, called a planet due to its size being bigger than Earth but smaller than Neptune, is more significant as it is a large study where the masses of many planets have been measured relative to the stars that they orbit. As per physics.org, the team of researchers found fresh information about the number of planets that surround the Milky Way.

Study by KMTNet

According to the study conducted using Korean Microlensing data in which light from faraway objects is amplified through the use of an interfering body, called a planet. This technique is very effective for finding planets at a far distance, between Earth and Saturn’s orbit.

This study is considered to be large for its kind because there are about three times more planets, including planets that are eight times smaller than the previous planets found with the help of microlensing. Shude Mao, a professor, said that the current data gives a hint of how cold planets are formed. With the help of KMTNet data, we can know how these planets were formed and evolved. KMTNet has three telescopes in South Africa, Chile and Australia.

Understanding the Exoplanets

Such studies show that the other systems can have a small, medium and large variety of planets in Earth’s orbit. CFA-led research suggests that there can be more Super Earth Planets in other solar systems’ outer regions. Jennifer Yee says that there is a possibility that outside the Earth’s trajectory, other galaxies may have more such planets that are bigger than Earth’s size yet smaller than Neptune.

Findings and Implications

Youn Kii Jung, who operates KMTNet, says that in Jupiter-like orbits, the other planetary systems may not be similar to ours. Scientists will try to determine how many such planets exist. A study indicates that there are at least as many super-Earths as there are Neptune-sized planets in the universe.

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Magnetic Fields Could Significantly Influence Oscillations in Merging Neutron Stars, Study Finds

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April 26, 2025

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Magnetic Fields Could Significantly Influence Oscillations in Merging Neutron Stars, Study Finds

Magnetic fields may significantly complicate how scientists interpret gravitational wave signals from neutron star mergers, a new study has revealed. These collisions, where two super-dense stellar remnants merge, have long offered astrophysicists a way to probe matter under extreme pressure. The results from the University of Illinois Urbana-Champaign and the University of Valencia reveal that robust magnetic fields form more complex and lengthy patterns in gravitational waves, thereby making it harder to decipher the inner workings of neutron stars. Results could doom post-merger signal interpretation strategies and the equation of states of dense matter as scientists prepare to observe the next generation of gravitational wave observatories.

Magnetic Fields Found to Distort Frequency Signals in Neutron Star Mergers

As per the study published in Physical Review Letters, the researchers simulated general relativistic magnetohydrodynamics — how the strength and arrangement of magnetic fields affect the frequency signals from the remnants left behind after a merger. They went represent real-world conditions by applying two different equations of state (EoS) for neutron stars, different magnetic field configurations, and several mass combinations.

According to lead researcher Antonios Tsokaros, the magnetic field can cause frequency shifts that can misidentify scientists into misattributing them as indications of other physical phenomena like phase transitions or quark-hadron crossover.

The discoveries also imply that scientists need to be cautious about how they interpret signals from neutron-star mergers, lest they slip into assuming how they form. They found that strong magnetic fields can change the emitted signals’ typical oscillation frequency, shifting them from what they should be and from what was predicted by one or another of the competing equations of state at play within these ferocious events.

They also discovered that in the most straightforward type of galaxy mergers they considered in their simulations, the magnetic field became overly amplified so that a greater proportion of the remnants of the merger are more likely to produce further gravitational wave emissions.

Magnetic Fields Hold Key to Unlocking Secrets of Neutron Star Mergers

Neutron stars are what remains of massive stars that have collapsed, and they contain matter so dense that a full teaspoon would weigh billions of tonnes. They have thermodynamic properties that are determined by the EoS and magnetic fields, some orders of magnitude stronger than those that one can produce in a human laboratory.

These extreme features also make neutron stars useful for probing the laws of physics under intense pressure and magnetism. Ever since it was detected in both gravitational waves and gamma rays in 2017, the scientific community has been buzzing about research on neutron star mergers, leading to ever-growing numbers of studies related to these types of mergers.

Professor Milton Ruiz also warns that it would be a mistake to misinterpret observations in the future without considering the effects of the magnetic fields. Higher-resolution simulations are needed, the researchers said, to refine our understanding of how magnetic fields shape cosmic happenings, and endeavours like the Einstein Telescope and Cosmic Explorer loom on the horizon.

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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos



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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos

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April 26, 2025

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Hubble Captures Mars, Cosmic Nebulae, and Distant Galaxies in Spectacular 35th Anniversary Photos

The Hubble Space Telescope is celebrating 35 years in orbit with an amazing batch of new images, including everything from seasonal changes on Mars to a moth-shaped planetary nebula and a distant spiral galaxy. Hubble was deployed from the space shuttle Discovery on April 24, 1990, and has delivered unparalleled cosmic views from low Earth orbit. Its history as a tool for science and exploration has led to nearly 1.7 million observations, more than 22,000 peer-reviewed scientific papers, and about 400 terabytes of archival data. This data has continued to provide generations with glimpses of stunning views of distant and often dynamic universes.

Hubble Reveals Mars and a Celestial Moth in Dazzling 35th Anniversary Image Collection

According to a celebratory statement, officials at the European Space Agency (ESA), which jointly runs Hubble with NASA, lauded the observatory as a way to link the past and future knowledge of the cosmos. As per ESA, the updated slate was announced to celebrate the 35th year of the telescope, during which the instrument has proven it can uncover unseen beauty and detail in the cosmos. “No generation before Hubble ever saw such vibrant and far-reaching images,” ESA officials mentioned in the official blog post.

Among the newly unveiled images is a stunning pair of ultraviolet portraits of Mars taken in December 2023, when the Red Planet was about 60 million miles from Earth. The left image reveals the Tharsis volcanic plateau and Olympus Mons rising through thin water-ice clouds, while the right side captures the “shark fin” shape of Syrtis Major and high-altitude evening clouds, coinciding with spring’s arrival in Mars’s northern hemisphere.

Another image shows a haunting view of NGC 2899, a planetary nebula about 4,500 light-years away in the constellation Vela. Sculpted by a dying star and possibly two stellar companions, the nebula glows with hydrogen and oxygen. Its gaseous tendrils appear to point back toward a pair of white stars at the core, illuminating the violent winds and radiation shaping this celestial moth.

Hubble Captures Star Birth in Rosette Nebula and Distant Spiral Galaxy NGC 5335

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is actively creating and ejecting jets of plasma, which glow bright red due to shock waves from their collision with surrounding gases.

The image shows a continuing process of star birth in a region spanning four light years, part of a much larger 100-light-year expanse. Hubble also snapped NGC 5335, a barred spiral galaxy found 225 million light-years away in the constellation of Virgo. This flocculent galaxy lacks clear spiral arms, instead featuring patchy bursts of star formation scattered across its disk.

A central bar channels gas inward, supporting new star formation in a galactic dance that astronomers say will continue for billions of years before reshaping again.

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