This Day In Astro History

September 3

1985 - Landing of STS 51-I. The mission was shortened by one day when AUSSAT sunshield hung up on remote manipulator system camera and AUSSAT had to be deployed before scheduled.

1976 - The Viking 2 lander touches down at Utopia Planitia on Mars, about 7 weeks after Viking 1. The orbiter returns 55,000 images showing surface details as small as 10m. Gravity field data was collected. Atmospheric water levels were monitored and selected sites were thermally mapped.
Viking Lands
Viking 2 touchdown on Mars!
(artist conception)
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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