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Fail:Brown dwarf OTS 44 with disc.jpg

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This artist's animation shows a brown dwarf surrounded by a swirling disc of planet-building dust. NASA's Spitzer Space Telescope spotted such a disc around a surprisingly low-mass brown dwarf, or "failed star." The brown dwarf, called OTS 44, is only 15 times the size of Jupiter, making it the smallest brown dwarf known to host a planet-forming, or protoplanetary disc.

Astronomers believe that this unusual system will eventually spawn planets. If so, they speculate that OTS 44's disc has enough mass to make one small gas giant and a few Earth-sized rocky planets.

OTS 44 is about 2 million years old. At this relatively young age, brown dwarfs are warm and appear reddish in color. With age, they grow cooler and darker.
Tarikh 1 February 2005
Sumber https://photojournal.jpl.nasa.gov/catalog/PIA07335
Pengarang NASA/JPL-Caltech

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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tarikh penubuhan

1 Februari 2005

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Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa12:50, 1 Mei 2008Gambar kenit bagi versi pada 12:50, 1 Mei 20083,000 × 2,400 (2.57 MB)Fran Ara{{Information |Description=Artist's conception of circumstellar disk around AA Tauri |Source=http://www.spitzer.caltech.edu/Media/releases/ssc2008-06/ssc2008-06c.shtml |Date= |Author=NASA |Permission=see below |other_versions= }}

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