News tagged with brown dwarfs
Ultra-cool companion helps reveal giant planets
(Phys.org) -- 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 ...
May 10, 2012 |
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Astronomers find extreme weather on an alien world
(PhysOrg.com) -- 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 ...
Sep 12, 2011 |
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As cool as the human body: Wise mission discovers coolest class of stars
(PhysOrg.com) -- Scientists using data from NASA's Wide-field Infrared Survey Explorer (WISE) have discovered the coldest class of star-like bodies, with temperatures as cool as the human body.
Aug 24, 2011 |
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Mysterious Planet-like Object Challenges Simple Definition, Reveals Its Surprising Identity
(PhysOrg.com) -- A mysterious planet-like object orbiting a not-quite-starlike "brown dwarf" is the most recent enigma discovered by astronomers with their ever-more powerful telescopes. Kamen Todorov, a graduate ...
Apr 06, 2010 |
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Six new planets discovered
(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...
Jun 14, 2010 |
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'This Planet Tastes Funny,' According to Spitzer
(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered something odd about a distant planet -- it lacks methane, an ingredient common to many of the planets in our solar system.
Apr 21, 2010 |
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The earliest stages of planet formation
(PhysOrg.com) -- 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 ...
Mar 26, 2012 |
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Record-breaking photo reveals a planet-sized object as cool as the Earth
(PhysOrg.com) -- The photo of a nearby star and its orbiting companion -- whose temperature is like a hot summer day in Arizona -- will be presented by Penn State Associate Professor of Astronomy and Astrophysics ...
Oct 19, 2011 |
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Comet Elenin poses no threat to Earth
(PhysOrg.com) -- 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 ...
Space & Earth / Space Exploration
Aug 17, 2011 |
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Spitzer Telescope Observes Baby Brown Dwarf
(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...
Nov 23, 2009 |
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Can WISE find the hypothetical 'Tyche'?
(PhysOrg.com) -- In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than ...
Feb 22, 2011 |
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Baby stars born to 'napping' parents
(PhysOrg.com) -- Cardiff University astronomers believe that a young star's long "napping" could trigger the formation of a second generation of smaller stars and planets orbiting around it.
Mar 09, 2011 |
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Birth of a baby planet
(PhysOrg.com) -- University of Sydney astronomer, Professor Peter Tuthill, is one of an international team of astronomers who have announced a major step forward in the quest to find planets in orbit around ...
Mar 02, 2011 |
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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 ...
Jul 15, 2011 |
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Super cold brown dwarf or is it a planet?
(PhysOrg.com) -- In a month that has already announced the discovery of a brown dwarf 75 light-years from Earth, NASA’s infrared Spitzer Space Telescope has found what could prove to be an even cooler, ...
Mar 23, 2011 |
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