Ztong
@ztong7777
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ID: 895487937424498688
10-08-2017 03:32:16
45 Tweet
49 Followers
186 Following
#HappyBirthday to astronaut John Grunsfeld! John Grunsfeld performed 8 spacewalks over the course of his 3 trips to Hubble totaling over 58 hrs.
