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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 […] 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), […] 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 […] San Bernardino Deputy Andrew Nunez, a six-year employee of the department, was fatally shot while responding to a call of an armed suspect 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 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 A team of physicists from the University of Innsbruck and Harvard University has proposed a fundamentally new way to generate laser light: a laser without mirrors. Their study, published in Physical Review Letters, shows that quantum emitters spaced at subwavelength distances can constructively synchronize their photon emission to produce a bright, very narrow-band light beam, […] Some of these cities existed before written history, and before mankind existed on Earth, at least according to the Bible. But before religion, and before written history, ancient cultures around the world built massive cities, extremely old cities. And when we talk about the oldest cities on Earth, we mean the oldest continuously inhabited […] 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 In the beginning, Earth was a violent place with no atmosphere to soften the blow. 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 […] 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 The ancient City of Hattusa is home to megalithic stones, sphinxes, Lions, a mysterious green stone, laser-like drill-holes somehow performed on andesite blocks, and archeological features eerily similar to those found halfway across the world in South America. The magnificent ruins of this once great city lie near the city of Boğazkale, Turkey. […] |
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