Asteroids | search
Click here to view Asteroids news from 60+ newspapers.
Bookmark or Share- What Is an Asteroid? | NASA Space Place – NASA Science for KidsAsteroids 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.
- Asteroids, Comets & Meteors - NASA ScienceOverview Asteroids, comets, and meteors are chunks of rock, ice, and metal left over from the formation of our solar system 4.6 billion years ago. They are a lot like a fossil record of our early solar system. There are currently about 1.3 million known asteroids, and more than 3,800 known comets.
- Asteroid - WikipediaAn asteroid is a minor planet —an object that is neither a true planet nor a comet —that orbits within the inner Solar System. They are rocky, metallic, or icy bodies with no atmosphere. The size and shape of asteroids vary significantly, ranging from small rubble piles under a kilometer across to Ceres, a dwarf planet almost 1000 km in diameter.
- Eyes on Asteroids - NASA/JPLExplore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.
- In Depth | Asteroids – NASA Solar System ExplorationAsteroids, 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.
More
