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Of the known things in the universe, black holes are among the most extreme. They pack huge amounts of mass densely into a small area, producing gravity that is so strong that even light cannot escape. To describe their properties, physicists have relied on complex equations from Einstein’s theory of general relativity and quantum mechanics. […] Indian startup Skyroot Aerospace said Thursday it would hold the maiden test flight of the country’s first privately developed orbital-class rocket in the coming weeks. Go to Source What makes a star a star? A strange ‘in‑between’ celestial object is testing astronomers’ boundariesA star called TOI-2155 lies around 1,350 light-years (839 trillion miles) from Earth. It is a little bigger, heavier and hotter than the sun, and it is not particularly interesting or unusual in itself. Go to Source Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful theories of physics: quantum mechanics and gravity. Quantum mechanics explains the behavior of the microscopic world, while Einstein’s theory of gravity describes the motion of stars, black holes and the expansion of the universe. Yet despite their successes, […] From D.C. to California, agencies are expanding security with drones, traffic enforcement and marine patrols Go to Source New regulations allow DPD officers to wear department-issued hats or hats from approved police associations, as well as a single nose stud and certain approved hand tattoos Go to Source Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They conclude that the composition of 3I/Atlas is strikingly different from any object found in our solar system. Go to Source A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem. Go to Source At a budget press conference, Mayor Zohran Mamdani said he backed down from increasing the headcount; he estimated cost of the increase would have been $70 million Go to Source Astrophysicists working to tackle the growing impact of satellite constellations have pioneered a new ultra-black coating as one possible way to mitigate the problem. Go to Source Chicago Police Superintendent Larry Snelling joined the police department in 1992 as a patrol officer, before later serving as the department’s counterterrorism chief Go to Source Dark matter accounts for 85% of the matter in the universe, but scientists still do not know what it is made of. A study, published in Physical Review Letters, by Rice University researchers proposes a detector design that could help search for axions, hypothetical particles that many physicists think could make up dark matter. Go […] Hawking radiation is a form of radiation emitted by black holes, as theoretically predicted by Stephen Hawking. It suggests that black holes do not merely swallow matter—as had previously been assumed—but also emit very faint radiation themselves. This radiation has not yet been observed in space; instead, researchers use models in the laboratory that mimic […] NSF–DOE Vera C. Rubin Observatory has officially begun full operations for the Legacy Survey of Space and Time (LSST), one of the world’s largest astronomical imaging surveys. Behind the scenes, Japanese researchers and engineers are drawing on technologies and expertise cultivated through the development and operation of the Subaru Telescope to support the project’s software, […] Searching for habitable worlds beyond our solar system involves more than having a planet orbit within its star’s habitable zone, the region where temperatures could be just right for liquid water to exist on the surface. On Earth, where water comprises approximately 75% of the planet’s surface, life is abundant. But what about the exoplanet’s […] |
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