News tagged with brown dwarfs

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Ultra-cool companion helps reveal giant planets

( -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has a temperature ...

dateMay 10, 2012 in Astronomy
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The earliest stages of planet formation

( -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in turn coalesce ...

dateMar 26, 2012 in Astronomy
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Astronomers find bounty of failed stars

A University of Toronto-led team of astronomers has discovered over two dozen new free-floating brown dwarfs, including a lightweight youngster only about six times heftier than Jupiter, that reside in two young star clusters. ...

dateOct 11, 2011 in Astronomy
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Astronomers find extreme weather on an alien world

( -- A University of Toronto-led team of astronomers has observed extreme brightness changes on a nearby brown dwarf that may indicate a storm grander than any seen yet on a planet. Because old brown dwarfs and ...

dateSep 12, 2011 in Astronomy
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Comet Elenin poses no threat to Earth

( -- Often, comets are portrayed as harbingers of gloom and doom in movies and on television, but most pose no threat to Earth. Comet Elenin, the latest comet to visit our inner solar system, is no exception. ...

dateAug 17, 2011 in Space Exploration
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Two new brown dwarf Solar neighbors discovered

Scientists from the Leibniz Institute for Astrophysics Potsdam (AIP) have discovered two new brown dwarfs at estimated distances of only 15 and 18 light years from the Sun. For comparison: The next star to the Sun, Proxima, ...

dateJul 15, 2011 in Astronomy
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A night with the stars…in a conference room

( -- Ancient astronomers looked up at the dark skies in wonder, as the stars marched by overhead like precision dancers. In the early 17th century, Galileo Galilei brought the world one step closer to the heavens ...

dateJun 01, 2011 in Astronomy
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