Gliese 229B became the first brown dwarf to be seen and identified by astronomers.
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American Astronomer William Henry Pickering discovered Phoebe, one of Saturn's moons.
Two newly discovered moons orbiting Pluto were named Nix and Hydra.
Osiris became the first discovered exoplanet with an atmosphere.
Jupiter's moon was found to have a liquid ocean under a thick crust of ice.
The Mariner 1 Space Probe was forced to self-destruct minutes after launching.
