ESA on Twitter
https://mobile.twitter.com/esa/status/998852588786339841
https://mobile.twitter.com/esa/status/998852588786339841
https://mobile.twitter.com/esa/status/998835314218201089
Why does the right part of this image of the Moon stand out? Shadows. The terminator line — the line between light and dark — occurs in the featured image […]
https://ift.tt/2IAPElg
https://ift.tt/2s09rEo
https://ift.tt/2s09rEo
https://ift.tt/2x2z8t2
https://ift.tt/2x2z8t2
https://ift.tt/2IzN7fp
https://ift.tt/2IzN7fp