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Published on Aug 13, 2015
While Jupiter is nowhere near massive enough to initiate fusion in its core, there are even more massive objects out there that fall just short of that achievement as well called brown dwarfs. Brown dwarfs, have a mass that places them between giant planets and small stars. They were only recently discovered in the 1990’s, but thousands are now known. More massive ones can fuse deuterium, and even lithium, but not hydrogen, distinguishing them from “normal” stars. Sort of.
Correction: In the illustration at 9:30, the numbers listed after the star names are the year of discovery, not distance.
Table of Contents Intermediate in Mass 1:22 Thousands Are Known 4:48 Cannot Fuse Hydrogen Like “Normal” Stars 8:46