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Scientists have developed a new type of sensor to measure and correct the distortion of starlight caused by viewing through the Earth's atmosphere, which should make it easier to study the possibility of life on distant planets.
Oct 21st, 2020
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Nearly 3 billion years ago, a dwarf galaxy plunged into the center of the Milky Way and was ripped apart by the gravitational forces of the collision. Astrophysicists announced today that the merger produced a series of telltale shell-like formations of stars in the vicinity of the Virgo constellation, the first such 'shell structures' to be found in the Milky Way.
Oct 20th, 2020
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In the search to discover the origins of our solar system, an international team of researchers has compared the composition of the sun to the composition of the most ancient materials that formed in our solar system: refractory inclusions in unmetamorphosed meteorites.
Oct 20th, 2020
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Light from distant galaxies reveals important information about the nature of the universe and allows scientists to develop high-precision models of the history, evolution and structure of the cosmos.
Oct 20th, 2020
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Astronomers have determined our galaxy is surrounded by a clumpy halo of hot gases that is continually being supplied with material ejected by birthing or dying stars. This heated halo, called the circumgalactic medium, was the incubator for the Milky Way's formation some 10 billion years ago and could be where basic matter unaccounted for since the birth of the universe may reside.
Oct 19th, 2020
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Some supermassive black holes launch powerful beams of material, or jets, away from them, while others do not. Astronomers may now have identified why.
Oct 19th, 2020
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Star clusters have been part of the Imaginarium of human civilization for millennia. The brightest star clusters to Earth, like the Pleiades, are readily visible to the naked eye. Astronomers have now revealed the existence of massive stellar halos, termed coronae, surrounding local star clusters.
Oct 15th, 2020
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Scientists propose a novel method for finding dark matter, the cosmos's mystery material that has eluded detection for decades. The proposed experiment, in which a billion millimeter-sized pendulums would act as dark matter sensors, would be the first to hunt for dark matter solely through its gravitational interaction with visible matter.
Oct 14th, 2020
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Two new studies find that the Webb will be able to reveal galaxies currently masked by powerful lights called quasars.
Oct 14th, 2020
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New research is helping to explain one of the big questions that has perplexed astrophysicists for the past 30 years - what causes the changing brightness of distant stars called magnetars.
Oct 13th, 2020
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Using telescopes from around the world, astronomers have spotted a rare blast of light from a star being ripped apart by a supermassive black hole. The phenomenon, known as a tidal disruption event, is the closest such flare recorded to date at just over 215 million light-years from Earth, and has been studied in unprecedented detail.
Oct 12th, 2020
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New, most complete start-to-finish view of neutron star merger rewrites the way scientists understand these events.
Oct 12th, 2020
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An international team of researchers studied the atmosphere of the ultra-hot exoplanet WASP-121b. In it, they found a number of gaseous metals. The results are a next step in the search for potentially habitable worlds.
Oct 8th, 2020
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An international team of researchers has measured, with unprecedented accuracy, the gravitational redshift of the Sun, a change in frequency of the lines in the solar spectrum which is produced when the light escapes from the gravitational field of the Sun on its way to Earth.
Oct 8th, 2020
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A team of gravitational-wave scientists reveals that when two black holes collide and merge, the remnant black hole 'chirps' not once, but multiple times, emitting gravitational waves - intense ripples in the fabric space and time - that inform us about its shape.
Oct 8th, 2020
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Astronomers have made observations of a new magnetar, called Swift J1818.0-1607, which challenges current knowledge about two types of extreme stars, known as magnetars and pulsars.
Oct 8th, 2020
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