“I know it’s just the simple shadow of our planet, but approaching the terminator gives me an eerie feeling every time. It’s as scary as it is fascinating,” writes European Space Agency (ESA) Astronaut Alexander Gerst on 16 September 2018. Planet Earth photographed from the ISS. [5568 x 3311] [OS] via /r/spaceporn https://ift.tt/2Nl7b7y
via Tumblr https://ift.tt/2xlmEte
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