Of all the objects in the Solar System, perhaps the most spectacular are the great comets that occasionally …
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Tag:
outer space
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Space
Signs of Life? Why Astronomers Are Excited About Carbon Dioxide and Methane in the Atmosphere of an Alien World
by Troy Oakesby Troy OakesAre we alone? This question is nearly as old as humanity itself. Today, this question in astronomy focuses …
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Space
Astronomers Have Discovered a Rare ‘Polar Ring Galaxy’ Wrapped in a Huge Ribbon of Hydrogen
by Troy Oakesby Troy OakesA galaxy can come in many shapes and sizes, from giant, slowly rotating ovals and fast-whirling spiral disks …
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Space
How Should a Robot Explore the Moon? A Simple Question Shows the Limits of Current AI Systems
by Troy Oakesby Troy OakesRapid progress in artificial intelligence (AI) has spurred some leading voices in the field to call for a …
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Space
A Neutrino Portrait of Our Galaxy Reveals High-Energy Particles From Within the Milky Way
by Troy Oakesby Troy OakesOur Milky Way galaxy is an awe-inspiring feature of the night sky, viewable with the naked eye as …
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Environment
Why Is the Sky Dark at Night? A Question that Transformed Our Understanding of the Universe
by Troy Oakesby Troy OakesAs dawn rose over the German city of Bremen on May 7, 1823, Heinrich Olbers put the finishing …
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Space
Betelgeuse Is Continuing to Behave Mysteriously: What Would Happen if It Exploded?
by Troy Oakesby Troy OakesThe bright, red star Betelgeuse in the constellation Orion has shown some unexpected behavior. In late 2019 and …
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Space
Astronomers Have Found Life-Supporting Molecules Called Phosphates on Enceladus
by Troy Oakesby Troy OakesThe search for habitable conditions beyond Earth has just become more interesting with the discovery on Saturn’s moon …
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Astronomers have been working to better understand the galactic environments of fast radio bursts (FRBs) — intense, momentary …
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Space
For the First Time, Astronomers Have Detected a Radio Signal From the Massive Explosion of a Dying White Dwarf
by Troy Oakesby Troy OakesWhen stars like our Sun die, they tend to go out with a whimper and not a bang …