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Internet Search Results
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). Asteroids are rocky, metallic, or icy bodies with no atmosphere, and are broadly classified into C-type (carbonaceous), M-type (metallic), or S-type ...
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.
Asteroid Launcher - Neal.fun
An asteroid simulator that lets you design your own asteroid and launch it at Earth. Simulate the effects of an asteroid impact on Earth's population.
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.
99942 Apophis - Wikipedia
99942 Apophis (provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size. [3] During a brief period of concern in December 2004, initial observations indicated a probability of 2.7% that the asteroid would hit Earth on Friday, April 13, 2029. Later observations eliminated that possibility of an impact ...
What Is an Asteroid? | NASA Space Place – NASA Science for Kids
This means that the asteroid and the planet follow the same path around the sun. Earth and a few other planets have asteroids like this. Where did asteroids come from? Asteroids are left over from the formation of our solar system. Our solar system began about 4.6 billion years ago when a big cloud of gas and dust collapsed.
Asteroid Facts - Science@NASA
Asteroids are rocky remnants left over from the formation of our solar system about 4.6 billion years ago. Here are some facts about asteroids.
What are asteroids? | Space
Asteroids come in a variety of shapes and sizes and teach us about the formation of the solar system.
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