In May 2024, part of the sun exploded.
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In May 2024, part of the sun exploded. Go to Source Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ejected from a young sun-like star. The result showed a two-component ejection consisting of a hot fast component followed by a slower, cooler component. This result is important for understanding how young stars affect their surrounding environment where planets […] In a paper published in The Astrophysical Journal Letters, the international LIGO-Virgo-KAGRA Collaboration reports on the detection of two gravitational wave events in October and November of 2024 with unusual black hole spins. This observation adds an important new piece to our understanding of the most elusive phenomena in the universe. Go to Source […] Meng Dezhao, a Ph.D. student from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences, together with his collaborators, has conducted a systematic study of the filamentary structure within the G53 molecular cloud. By combining multi-wavelength observations and simulations, they revealed for the first time that the filament is undergoing an “end-dominated collapse” (EDC), […] So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and helium, and fluctuations of energy and matter set into motion the formation of galaxies and supermassive black holes. But all of it is invisible to us. Go to Source Could scientists find life in the clouds of exoplanet atmospheres? This is what a manuscripton the arXiv preprint server hopes to address as a team of researchers investigate how the biosignatures of microbes could be identified in exoplanet atmospheres and clouds. Go to Source An international team of astronomers have employed the James Webb Space Telescope (JWST) to observe a nearby M-dwarf star known as TWA 20. As a result, they detected a large debris disk around this star. The finding was reported in a paper published October 23 on the arXiv pre-print server. Go to Source […] In the beginning, Earth was a violent place with no atmosphere to soften the blow. Go to Source In a new milestone for space-enabled semiconductor research, the University of Florida, in collaboration with NASA, MIT, Vanguard Automation, AIM Photonics and Germany’s Fraunhofer Heinrich Hertz Institute, launched a suite of photonic AI chips to the International Space Station aboard JAXA’s HTV-XI spacecraft this weekend. Go to Source Astronomers have generated the first three-dimensional map of a planet orbiting another star, revealing an atmosphere with distinct temperature zones—one so scorching that it breaks down water vapor, a team co-led by a Cornell expert reports in new research. Go to Source The Chinese company LandSpace continues to develop the Zhuque-3 (ZQ-3), a two-stage reusable launch vehicle inspired by SpaceX’s Starship and Super Heavy. They achieved their first milestone in January 2024 with a vertical takeoff and vertical landing (VTVL) using their VTVL-1 test vehicle at the Jiuquan Satellite Launch Center (JSLC) in northern China. By September, […] The universe is a strange place. The X-ray Imaging and Spectroscopy Mission (XRISM) orbiting observatory recently highlighted this fact, when it was turned on a pulsar to document its powerful cosmic winds. Go to Source A new study analyzing historical photographs taken by the Palomar Observatory between 1949 and 1957 has detected several mysterious bright spots in the sky. These transient objects, captured on film before the first satellites were ever launched, appear to have occurred on dates that strongly correlated with nuclear weapons tests. Go to Source […] Researchers at Kyushu University have found that rising CO2 levels in our atmosphere could lead to future disruptions in shortwave radio communications, including systems used for air traffic control, maritime communication, and radio broadcasting. Go to Source Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity needed to keep itself from scattering into space. Like other dwarf galaxies, it was long believed that gravity from a mysterious substance called dark matter was the main binding force. Go to Source […] |
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