Daylight fireball skips off the atmosphere over the Rockies

When

A meteoroid perhaps the size of a small truck grazed Earth's upper atmosphere in daylight, seen from Utah to Alberta and photographed over the Tetons, then skipped back into space. It is a classic example of a natural object that can look like a craft.

Sources

  1. OfficialEarthgrazer: The Great Daylight Fireball of 1972 (Astronomy Picture of the Day, 2 March 2009) (opens in a new tab)NASA / 2009-03-02

How sources are chosen and tiered

Where it fits

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