SUMMARY: A volunteer analyzing data gathered by the University of Arizona's Spacewatch program has discovered an 18 x 36 metre asteroid that will miss the Earth by only 2 million kilometres today. Asteroid 2004 BV18 is no risk; even if it did hit the Earth, it wouldn't do much more than cause a bright flash in the atmosphere. The asteroid was spotted by amateur astronomer Stu Megan, who was analyzing Spacewatch data through the Internet, and demonstrates how volunteers can help the search for near Earth asteroids.
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