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Science
fromwww.scientificamerican.com
4 months ago

Astronomers May Have Unlocked the Reason for Betelgeuse's Bizarre Dimming

A previously unseen companion star likely passes through Betelgeuse's atmosphere cyclically, creating ripples that drive the star's periodic brightness changes.
Science
fromBig Think
6 months ago

The Red Spider Nebula gets its JWST glow-up

Planetary nebulae form when Sun-like stars eject outer layers and hot contracting cores ionize the expelled gas, with binary companions shaping diverse bipolar structures.
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