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Bookmark or Share- Brown dwarf - WikipediaAn example for a star-brown dwarf binary is the first discovered T-dwarf Gliese 229 B, which orbits around the main-sequence star Gliese 229 A, a red dwarf. Brown dwarfs orbiting subgiants are also known, such as TOI-1994b which orbits its star every 4.03 days. There is also disagreement if some low-mass brown dwarfs should be considered planets.
- Hubble Space Telescope discovers 'failed stars' are bad at ...Not only has their failure to ignite like normal stars earned them an unfortunate nickname — failed stars — but new findings from the Hubble Space Telescope have revealed they can't even hold a...
- What is a Failed Star? (and is Jupiter one of them?)Failed stars are the weird middle brother between a gas giant planet and a star. Failed stars are also referred to as brown dwarfs. Jupiter is not a failed star. Its mass is too small for it. Same for Saturn and Neptune. Failed stars can emit light and heat. Failed stars do not achieve thermonuclear fusion of hydrogen; Failed stars can fuse ...
- Is Jupiter a Failed Star? | Astronomy.comIs Jupiter a Failed Star? Although Jupiter is large as planets go, it would need to be about 75 times its current mass to ignite nuclear fusion in its core and become a star.
- James Webb Space Telescope spies record-breaking 'failed star ...The James Webb Space Telescope (JWST) has spotted a record-breaking free-floating brown dwarf and two other so-called "failed stars" in a young star cluster just 1,000 light-years from Earth....
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