Stars
Science
In Wildly Different Environments, Stars End Up Roughly the Same
When you look at a region of the sky where stars are born, you see a cloud of gas...
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Science
Why Betelgeuse Dimmed
Betelgeuse, the big reddish star that is the second brightest point in the constellation Orion (after Rigel), has been...
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Science
When Stars eat Their Planets, the Carnage can be Seen Billions of Years Later
The vast majority of stars have planets. We know that from observations of exoplanetary systems. We also...
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Science
Astronomers Have a New Way to Find Exoplanets in Cataclysmic Binary Systems
Have you heard of LU Camelopardalis, QZ Serpentis, V1007 Herculis and BK Lyncis? No, they’re not members of a...
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Science
A Dormant Black Hole has Been Discovered Just Outside the Milky Way
What happens when a massive star dies? Conventional wisdom (and observational evidence) say that it can collapse to form...
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Science
One Star Flies Past the Milky Way’s Black Hole at 3% the Speed of Light
There’s a population of stars in the heart of our galaxy whipping around Sagittarius A* (the Milky Way’s central...
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Science
Red Supergiant Stars Bubble and Froth so Much That Their Position in the Sky Seems to Dance Around
Making a 3D map of our galaxy would be easier if some stars behaved long enough to get good...
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Science
This is How You Get Multiple Star Systems
Stars form inside massive clouds of gas and dust called molecular clouds. The Nebular Hypothesis explains how that...
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