Alt Invest London: Ultraviolet Earth from an Observatory on the Moon #space #nasa https://t.co/BlNgcn5kJO

Saturday 27 October 2018

Ultraviolet Earth from an Observatory on the Moon #space #nasa pic.twitter.com/BlNgcn5kJO
— SKS Media Singapore (@SKSMediaSing) October 28, 2018

from Twitter https://twitter.com/SKSMediaSing