Asteroid - Wikipedia An asteroid is a minor planet —an object larger than a meteoroid that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan asteroids)
Asteroids - Science@NASA Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system about 4 6 billion years ago Most asteroids can be found orbiting the Sun between Mars and Jupiter within the main asteroid belt
Eyes on Asteroids - NASA JPL Explore the 3D world of Asteroids, Comets and NEOs Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth
Asteroid | Definition, Size, Facts | Britannica Asteroid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring called the asteroid belt Hundreds of thousands of asteroids are known
What Is an Asteroid? | NASA Space Place – NASA Science for Kids Asteroids are small, rocky objects that orbit the sun Although asteroids orbit the sun like planets, they are much smaller than planets A close-up image of the asteroid Ida taken by NASA's Galileo spacecraft Image credit: NASA JPL-Caltech UCLA MPS DLR IDA There are lots of asteroids in our solar system
In Depth | Asteroids - NASA Solar System Exploration Asteroids, sometimes called minor planets, are rocky remnants left over from the early formation of our solar system about 4 6 billion years ago The current known asteroid count is: Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt
Asteroid Fast Facts - NASA About once a year, an automobile-sized asteroid hits Earth’s atmosphere, creates an impressive fireball, and burns up before reaching the surface Every 2,000 years or so, a meteoroid the size of a football field hits Earth and causes significant damage to the area