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Asteroid - Wikipedia
There is increasing interest in identifying asteroids whose orbits cross Earth's, and that could, given enough time, collide with Earth (see Earth-crosser asteroids).The three most important groups of near-Earth asteroids are the Apollos, Amors, and Atens.Various asteroid deflection strategies have been proposed, as early as the 1960s.. The near-Earth asteroid 433 Eros had been discovered as ...
Asteroids l Asteroid facts, pictures and information
Several hundred thousand asteroids have been discovered and given provisional designations so far. Thousands more are discovered each year.
Asteroids Game - Play Free Online Games
Play asteroids game in browser. Click to start game. Destroy the rocks and enemies to gain score.
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Asteroids game was inspired in a roundabout way by the seminal Spacewar, the first computer based video game. In the early 1980s a stand-up arcade game version was produced as Space Wars, which included a number of optional versions and added a floating asteroid as a visual device. Asteroids is essentially a one player version of Spacewar, featuring the
Near-Earth object - Wikipedia
A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.By convention, a Solar System body is a NEO if its closest approach to the Sun is less than 1.3 astronomical units (AU).If a NEO's orbit crosses the Earth's and the object is larger than 140 meters (460 ft) across, it is considered a potentially hazardous object (PHO).
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Asteroid Redirect Mission | NASA
NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
Space Pictures - Hubble Images and Night Sky Photos
A collection of amazing space pictures featuring images from the Hubble telescope and time lapse photos of the night sky. Free wallpaper downloads.
Asteroid Watch - NASA Jet Propulsion Laboratory (JPL)
Average distance between Earth and the moon is about 239,000 miles (385,000 kilometers). The Asteroid Watch Widget tracks asteroids and comets that will make relatively close approaches to Earth.