Sometimes you come across a tweet from a couple of years ago that you just have to retweet.
— Paul Byrne (@ThePlanetaryGuy) September 15, 2020
This is a series of images taken by @chrfrde showing the movement of #Saturn and several of its larger moons over three hours.
A whole planetary system unto itself. Magnificent. https://t.co/Q2Nw7En3ls
via Twitter https://twitter.com/ThePlanetaryGuy
September 16, 2020 at 02:23AM
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