Two Jupiter moons, both spheres, are very close together, a…

Two Jupiter moons, both spheres, are very close together, and very far away from the Sun. Yet, one has a flat day-night shadow, and the other significantly curved day-night shadow. Congratulations NASA/Jpl-Caltech, you made it into #fakespace on Twetch!

https://twitter.com/MichaelGalanin/status/1358451741902196740