Original: Nature 439, 295-297 (19 January 2006) [] External links "Asteroid Smashup Yields Dust Shower on Earth" from SkyandTelescope.com, Jan. 20, 2006.
Simplified: Nature 439, 295-297 (19 January 2006) [] Other websites "Asteroid Smashup Yields Dust Shower on Earth" from SkyandTelescope.com, Jan. 20, 2006.