This Day In Astro History

Mercury 4 Mission Patch
Mercury 4 Mission Patch

July 21

2011 - STS 135 Atlantis, the last STS flight lands at Kennedy Space Center. The program is done.

1973 - Mars 4 (USSR) Arrived at Mars in February of 1974. However the orbiter failed to go into orbit. It did return some data and some images.

1969 - Luna 15 (USSR) an attempt to deploy a rover and a possible soil sample return crashes while attempting to land on the Moon.

1961 - Mercury 4 Launch. Crew: Gus Grissom. This was the second flight of the US manned suborbital missions. Duration: 15 min, 37 seconds.
STS-136 Mission Patch. Omega-The End
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It is my conclusion that human evolution and the motions of matter in space are intrinsically linked. The observation and understanding of the complexity of biological history on Earth cannot be complete without the tandem observation and understanding of a dynamic greater cosmos. - SpaceGene