brown dwarf

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Related to Failed stars: T dwarf

brown dwarf

n.
A celestial body that is more massive than a gas giant planet but has insufficient mass to sustain the hydrogen fusion reactions that produce radiant energy in normal stars.

brown dwarf

n
(Astronomy) a type of celestial body midway in mass between a large planet and a small star

brown′ dwarf′


n.
a cold, dark star that is too small to initiate the nuclear reactions that generate heat and light.

brown dwarf

(broun)
A celestial body that is similar to a star but does not emit light because it does not have enough mass to ignite internal nuclear fusion. See Note at dwarf star.
Translations
ruskea kääpiö
barna törpe
brun dverg
brun dvärg
References in periodicals archive ?
17 ( ANI ): Researchers have taken accurate measurements of the closest pair of failed stars to the Sun, which suggest that the system harbors a third, planetary-mass object.
The Gaia mission is also expected to discover hundreds of thousands of unknown celestial objects, including extra-solar planets and failed stars, known as brown dwarfs.
5-22 was discovered during a search for failed stars known as "brown dwarfs.
Living in the jungle, we have failed stars trying to resurrect their careers.
Gerrard's honesty came just a day after Capello admitted he did not know how to change the mentality of his failed stars.
have often been accused of being little more than platforms to allow one-time or failed stars to get back in the public eye.
IT LOOKS quite ordinary and might have come too late for England's failed stars, but a piece of kit could revolutionise footballers' skills on the pitch both at amateur and professional level.
In that respect the failed stars of Sven-Goran Eriksson are now alive and kicking with just about as much success as they were two years ago.
To think I almost discarded Phil a few months ago into the realms of a Mike Milligan and Brett Angell, to name just a few failed stars to grace Goodison.
They're often referred to as failed stars, because they don't have enough mass to trigger the thermonuclear fusion that powers real stars, like the Sun.
DIDN'T you feel sorry for poor little rich boy John Ryan in the second part of the True Lives documentary on the failed Stars on Sunday newspaper (RTE1, Tuesday).