Comparing the rotations of objects in the Solar System. Just look at them lol.✨🪐
To everyone that's confused, the planet Venus rotates very very slowly, with a single revolution taking about 243 Earth days, and Mercury rotates slowly, but not as slow as Venus.
Abstract photographic art used on a series of Isaac Asimov book covers in the late 1960s. As a youngster I never got used to seeing these weird images in place of the usual epic Chris Foss spaceship scenes. But I really appreciate them now. It seemed back then books sold so well, particularly Asimov, that you could put any old thing on the cover and you’d sell a bunch more














