Only Shooting Stars

The video explores the nature of space debris, focusing on shooting stars and their origins. It explains how Earth's geological surface is relatively young due to tectonic activity, while the cosmic dust we encounter is ancient. The video discusses meteorites from the Moon, Mars, and possibly other planets, highlighting the history of Earth's meteorites, including a rock from Apollo 14. It concludes with a reflection on the beauty of shooting stars as they enter Earth's atmosphere.

What is the average age of rocks you might find outside on Earth?

What is the significance of the particles embedded in meteorites?

What happens to most bits of dust and metal that enter Earth's atmosphere?

What percentage of meteorites that land on Earth are from the Moon or Mars?

What is the origin of some of the shooting stars we see?