Get the latest Science News and Discoveries

Watch Algol, the 'Demon star of Perseus,' get eclipsed by its stellar twin this week


None

Get the Android app

Or read this on Space.com

Read more on:

Photo of Demon star

Demon star

Photo of Algol

Algol

Photo of Perseus

Perseus

Related news:

News photo

When To See The Moon’s ‘Da Vinci Glow’ With Your Naked Eyes This Week

News photo

Watch The Moon Grow As ‘Shooting Stars’ Fall: The Night Sky This Week

News photo

This Week @NASA: Celebrating the Worm, Record-Breaking Black Hole, First Euclid Images