News tagged with brown dwarfs

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Red skies discovered on extreme brown dwarf

( —A peculiar example of a celestial body, known as a brown dwarf, with unusually red skies has been discovered by a team of astronomers from the University of Hertfordshire's Centre for Astrophysics Research. ...

dateFeb 06, 2014 in Astronomy
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First weather map of brown dwarf

ESO's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features on WISE J104915.57-531906.1B, ...

dateJan 29, 2014 in Astronomy
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Stormy stars? Spitzer probes weather on brown dwarfs

( —Swirling, stormy clouds may be ever-present on cool celestial orbs called brown dwarfs. New observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size ...

dateJan 07, 2014 in Astronomy
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Nearby failed stars may harbor planet

( —Astronomers, including Carnegie's Yuri Beletsky, took precise measurements of the closest pair of failed stars to the Sun, which suggest that the system harbors a third, planetary-mass object.The research is ...

dateDec 16, 2013 in Astronomy
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Drawing the line between stars and brown dwarfs

( —Stars come in a tremendous size range, from many tens of times bigger than the Sun to a tiny fraction of its size. But the answer to just how small an astronomical body can be, and still be a star, has never ...

dateDec 10, 2013 in Astronomy
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The galaxy's ancient brown dwarf population revealed

( —A team of astronomers led by Dr David Pinfield at the University of Hertfordshire have discovered two of the oldest brown dwarfs in the Galaxy. These ancient objects are moving at speeds of 100-200 kilometres ...

dateNov 20, 2013 in Astronomy
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A strange lonely planet found without a star

( —An international team of astronomers has discovered an exotic young planet that is not orbiting a star. This free-floating planet, dubbed PSO J318.5-22, is just 80 light-years away from Earth and has a mass ...

dateOct 09, 2013 in Astronomy
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