A sweeping overview of humanity’s accomplishments in space, as well as our ongoing activities and future plans.
A sweeping overview of humanity’s accomplishments in space, as well as our ongoing activities and future plans.
6.8
7.6
6.9
7.1
6.4
5.4
5.2
7.9
5.5
5.2
5.1
6.3
7.2
6.7
6.6
7.5
6.3
7.5
5.7
6.8
6.5
7.0
6.5
6.4
6.5
6.1
5.7
5.0
5.2
6.3
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