Famous speech from Neil Armstrong: At 2:56 UTC on July 21, 1969, Armstrong made his descent to the Moon's surface and spoke his famous line "That's one small step for [a] man, one giant leap for mankind" exactly six and a half hours after landing.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
This is a featured sound on the English language Wikipedia (Featured sounds) and is considered one of the finest sound files. See its nomination here.
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