Our sun is a loner. It lacks a stellar companion hurtling through interstellar space with it. But we've known for a long time that that's actually relatively rare—most stars have at least one ...
Multi-star system FS Tau captured by the Hubble Space Telescope. "Jets emerge from the cocoon of a forming star to blast across space" in the imagery, according to the Hubble team. Credit: NASA, ESA, ...
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