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Mile Wide Asteroid Passes Close On Monday
Boulder CO (SPX) March 5, 2006 An asteroid named 2000 PN9 will fly past Earth at a distance of about 2 million miles on March 6. There is no danger of a collision with the mile-wide space rock, but its nearest approach distance of eight lunar distances - on average, the Moon is 384,401 kilometers, or 246,017 miles away. It will be bright enough (12th magnitude) for amateur astronomers to photograph it using larger backyard telescopes and CCD cameras. Potentially Hazardous Asteroids are space rocks larger than about 100 meters (300 feet) wide that can approach Earth at distances closer than 0.05 astronomical units (the distance from Earth to the Sun), or about 4.6 million miles. At present, none of the 776 known PHAs is on a collision course with the planet for the foreseeable future - although astronomers are finding new ones all the time. Related Links Asteroid 23187 (2000 PN9) Trajectory Viewer Ephemeris Space Weather
Largest Impact Crater In The Sahara Discovered
Boston MA (SPX) March 5, 2006Researchers have discovered the remnants of the largest crater of the Great Sahara of North Africa, which may have been formed by a meteorite impact tens of millions of years ago. Farouk El-Baz and Eman Ghoneim of Boston University's Center for Remote Sensing made the discovery while studying satellite images of the Western Desert of Egypt. |
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