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- Asteroid - Wikipedia
An asteroid is a minor planet —an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan asteroids)
- Eyes on Asteroids - Home - 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
- 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
- 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
- Asteroid belt - Wikipedia
The total mass of the asteroid belt is significantly less than Pluto 's, and roughly twice that of Pluto's moon Charon The asteroid belt is a torus -shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars
- NASA tracking 130ft plane-sized asteroid approaching Earth tomorrow - MSN
NASA is currently tracking a plane-sized asteroid set to zip past the Earth on June 18 at a whopping 8,768 miles per hour
- NASA tracking skyscraper-sized asteroid approaching Earth today - MSN
Asteroids are small, rocky masses left over from the formation of the solar system about 4 6 billion years ago They are found concentrated in the main asteroid belt, which lies around the sun
- Asteroid Alerts
Welcome to Asteroid Alerts, your source for tracking Near-Earth Objects and potential asteroid threats Our system continuously monitors data from Minor Planet Center and NASA Sentry to keep you informed
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