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- 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
- James Webb telescope ups the odds that city-killer asteroid 2024 YR4 . . .
The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances of hitting the moon in December 2032 have increased to 4 3%
- 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
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