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Asteroid - Wikipedia
Asteroids are minor planets, especially of the inner Solar System.Larger asteroids have also been called planetoids.These terms have historically been applied to any astronomical object orbiting the Sun that did not resemble a planet-like disc and was not observed to have characteristics of an active comet such as a tail. As minor planets in the outer Solar System were discovered they were ...
Asteroids Game - Play Free Online Games
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Asteroids. Game Info. 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.
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.
Meteor Showers 2016 | NASA
The Lyrid meteor shower peaks April 22-23. Get viewing tips and save-the-dates for future shooting-star shows.