Exactly. Asteroids have been passing near the Earth for billions of years. The only thing that's changed is our ability to detect them.
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Type: Posts; User: odysseus; Keyword(s):
Exactly. Asteroids have been passing near the Earth for billions of years. The only thing that's changed is our ability to detect them.
Here's another cool look at the filament.
http://apod.nasa.gov/apod/astropix.html
http://apod.nasa.gov/apod/image/1208/sunfilament_dahl_960.jpg
Image Credit & Copyright: Bret Dahl