We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came and went in 2017. 2l/Borisov, an interstellar comet, was next, appearing ...
The sun isn’t sitting still. Right now, it’s carrying Earth, every other planet, and everything on them through space at roughly 140 miles per second — aimed at a fixed point in the sky that ...
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