How the Moon formed | Astronomy.com

How the Moon formed | Astronomy.com

[ad_1] During the Artemis test mission in 2022, Orion passes close to the Moon’s surface, with Earth a small crescent in the background. Credit: NASA Once upon a time, our earliest ancestors, on the plains of Africa, gazed skyward and saw a bright Moon in our sky....
What Would Happen to Earth if a Rogue Star Came Too Close?

What Would Happen to Earth if a Rogue Star Came Too Close?

[ad_1] Stars are gravitationally fastened to their galaxies and move in concert with their surroundings. But sometimes, something breaks the bond. If a star gets too close to a supermassive black hole, for example, the black hole can expel it out into space as a rogue...