Science Of...

How Many Asteroids Are There?

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

The asteroid belt sits between the orbits of Mars and Jupiter, and contains millions of large and small asteroids. Most of the solar system's asteroids are found in the belt, but you might not know it if you went there for vacation—the belt is so spacious that asteroids would rarely, if ever, be as densely packed as they are in the movies.

Share the knowledge!

Key Facts In This Video

  1. Most of the asteroids in our solar system are found within the asteroid belt. 01:22

  2. The asteroid belt has .7 to 1.7 million asteroids with a diameter of 1 km or more. 02:30

  3. Asteroids don't sit still in space; they move at very fast velocities. 04:01

If you liked this you'll love our podcast! Check it out on iTunes, Stitcher, Google Play Music, SoundCloud, search 'curiosity' on your favorite podcast app or add the RSS Feed URL.

Advertisement