Astrophysicists discover mechanism for spiral-arm formation in disk galaxies
Astrophysicists at the University of Arkansas have discovered a mechanism for the formation of the spiral arms in disk galaxies.
Astrophysicists at the University of Arkansas have discovered a mechanism for the formation of the spiral arms in disk galaxies.
Astronomy
Aug 11, 2016
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Alone on the cosmic road, far from any known celestial object, a young, independent star is going through a tremendous growth spurt.
Astronomy
Jul 27, 2016
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Stars form as gravity contracts the gas and dust in an interstellar cloud until clumps develop that are dense enough to coalesce into stars. Precisely how this happens, however, is very uncertain, and the processes are hard ...
Astronomy
Jul 25, 2016
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On May 2, scientists from MIT, the University of Liège, and elsewhere announced they had discovered a planetary system, a mere 40 light years from Earth, that hosts three potentially habitable, Earth-sized worlds. Judging ...
Astronomy
Jul 20, 2016
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(Phys.org)—An international team of astronomers led by Joshua Pepper of the Lehigh University in Bethlehem, Pennsylvania, has detected an extremely inflated sub-Saturn exoplanet orbiting a bright subgiant star. The newly ...
Planet formation is a complex and tumultuous process that remains shrouded in mystery. Astronomers have discovered more than 3,000 exoplanets—planets orbiting stars other than our Sun—however, nearly all are middle-aged, ...
Astronomy
Jun 20, 2016
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In 1936, the young star FU Orionis began gobbling material from its surrounding disk of gas and dust with a sudden voraciousness. During a three-month binge, as matter turned into energy, the star became 100 times brighter, ...
Astronomy
Jun 14, 2016
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A first-of-its-kind cooler for NASA's James Webb Space Telescope, scheduled to launch in 2018, has completed testing at NASA's Jet Propulsion Laboratory in Pasadena, California.
Space Exploration
Jun 14, 2016
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Astrophysicists have taken a major step forward in understanding how supermassive black holes formed. Using data from Hubble and two other space telescopes, Italian researchers have found the best evidence yet for the seeds ...
Astronomy
May 24, 2016
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Imagine you want to measure the size of a room, but it's completely dark. If you shout, you can tell if the space you're in is relatively big or small, depending on how long it takes to hear the echo after it bounces off ...
Astronomy
Apr 26, 2016
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