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An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen

By mcimone - March 19, 2021 07:27 PM UTC | Stars
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Perseverance has Started Driving on Mars

By Matthew Williams - March 19, 2021 06:13 PM UTC | Planetary Science
The Perservance rover has commenced science operations on Mars, which includes driving across the red sandy surface of Jezero Crater
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There Could be Magnetic Monopoles Trapped in the Earth's Magnetosphere

By Brian Koberlein - March 19, 2021 01:35 PM UTC | Physics
If magnetic monopoles exist, they might be found in Earth's magnetic field. A new paper gives the first results of the search.
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Oumuamua Isn't an Alien Probe, Because Aliens can Learn Everything They Need About us With Telescopes

By Matthew Williams - March 18, 2021 09:09 PM UTC | Astrobiology
A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of motivation!
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Oumuamua is Probably Very Similar to Pluto, Just From Another Star System

By rcrewe - March 18, 2021 08:57 PM UTC | Planetary Science
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Perseverance's Landing Seen in Full Color, Thanks to Citizen Science

By Nancy Atkinson - March 18, 2021 04:03 PM UTC | Planetary Science
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Lightning Strikes Helped Life get an Early Start on Earth

By sjohnston - March 18, 2021 02:24 PM UTC | Astrobiology
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Tracking Satellites Through GEOSat Eclipse Season

By David Dickinson - March 18, 2021 12:29 PM UTC | Observing
You can spot satellites in far-flung orbits… if you know exactly where and when to look.
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Frosty Sand Dunes on Mars

By Nancy Atkinson - March 17, 2021 11:09 AM UTC | Planetary Science
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A Titan Mission Could Refuel on Site and Return a Sample to Earth

By Matthew Williams - March 16, 2021 06:13 PM UTC | Missions
As part of the 2021 NAIC proposals, NASA is investigating a concept for a sample-return mission to Titan that would harvest its own fuel from local resources.
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It Turns Out That the World's Oldest Impact Crater Isn't an Impact Crater

By sjohnston - March 16, 2021 04:13 PM UTC | Planetary Science
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Do Supermassive Black Holes Come From Supermassive Stars?

By rcrewe - March 16, 2021 03:32 PM UTC | Black Holes
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Wormholes Could Allow Travel Across the Universe, as Long as Your Spacecraft is Microscopic

By Brian Koberlein - March 15, 2021 11:08 AM UTC | Physics
An alternative to general relativity predicts wormhole travel is possible, but only if you're teeny-tiny.
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There Should be About 7 Interstellar Objects Passing Through the Inner Solar System Every Year

By Matthew Williams - March 14, 2021 12:43 PM UTC | Solar Astronomy
A new study led by the Initiative for Interstellar Studies (i4is) has found that interstellar objects like 'Oumuamua visit our Solar System seven times a year!
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A Planet Lost Its Atmosphere, So Its Volcanoes Made It a New One

By rcrewe - March 12, 2021 07:00 PM UTC | Exoplanets
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The Giant Magellan Telescope's 6th Mirror has Just Been Cast. One More to Go

By Matthew Williams - March 12, 2021 05:37 PM UTC | Telescopes
Work has begun on the sixth and seventh mirror segments for the Giant Magellan Telescope, which will begin studying the cosmos by the late 2020s.
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China and Russia Will Be Partners in a Lunar Research Station

By sjohnston - March 12, 2021 02:33 PM UTC | Space Policy
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Alcubierre Gives us an Update on his Ideas About Warp Drives

By Brian Koberlein - March 12, 2021 11:59 AM UTC | Physics
A new look at warp drive fuels hope that it might be possible after all.
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Measuring the Temperatures of Red Giants is Actually Pretty Tricky

By Paul Sutter - March 12, 2021 10:21 AM UTC | Stars
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Comets Already Grow a Coma out in the Kuiper Belt

By Paul Sutter - March 12, 2021 04:15 AM UTC | Solar Astronomy
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