COMET 21P Giacobini–Zinner is poised to approach Earth early next week but astronomers have already observed the Green Comet light up in our skies – watch it here.
Tuesday, 4 September 2018
Green Comet 21P approach: WATCH moment Green Comet lights up in the night sky
COMET 21P Giacobini–Zinner is poised to approach Earth early next week but astronomers have already observed the Green Comet light up in our skies – watch it here.
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