The Biggest Telescope EVAR!
0
0
862 צפיות·
10/23/23
Their return was delayed for a while, but three ISS crew members are finally home. Plus, engineers have started assembling the Giant Magellan Telescope! Hosted by: Hank Green ---------- Dooblydoo...
להראות יותר
0 הערות
sort מיין לפי
