File:HD149026b nasa.jpg

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DescriptionHD149026b nasa.jpg	English: This artist's concept illustrates the hottest planet yet observed in the universe. The scorching ball of gas, a "hot Jupiter" called HD 149026b (0.36 M_J), is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) -- about 3 times hotter than the rocky surface of Venus, the hottest planet in our solar system. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the universe, in addition to the hottest.
Date	10 November 2011
Source	http://www.nasa.gov/mission_pages/spitzer/news/spitzer-20070509.html
Author	NASA

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	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Dimensions	User	Comment
current	16:48, 27 January 2013	3,000 × 2,400 (2.49 MB)	Stas1995	size
	13:09, 13 January 2011	3,000 × 2,400 (1.82 MB)	Drtony999	Newer version.
	17:41, 29 August 2007	638 × 479 (12 KB)	WilyD	This artist's concept illustrates the hottest planet yet observed in the universe. The scorching ball of gas, a "hot Jupiter" called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) -- about 3 times hotter than the rocky surfac

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- Hottest planet to date found in the constellation Hercules
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- Astronomie : découverte de la plus chaude planète connue à ce jour
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Author	Spitzer Space Telescope
Copyright holder	http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml
Image title	This artist's concept illustrates the hottest planet yet observed in the Universe. The scorching ball of gas, a"hot Jupiter"called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) -- about 3 times hotter than the rocky surface of Venus, the hottest planet in our Solar System. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the Universe, in addition to the hottest.The temperature of this dark and balmy planet was taken with NASA's Spitzer Space Telescope. While the planet reflects no visible light, its heat causes it to radiate a little visible and a lot of infrared light. Spitzer, an infrared observatory, was able to measure this infrared light through a technique called secondary eclipse. HD 149026b is what is known as a transiting planet, which means that it crosses in front of and passes behind its starthe secondary eclipsewhen viewed from Earth. By determining the drop in total infrared light that occurs when the planet disappears, astronomers can figure out how much infrared light is coming from the planet alone.The Spitzer observations of HD 149026b also suggest a hot spot in the middle of the side of the planet that always faces its star. Even though the planet is black, the spot would glow like a black lump of charcoal. HD 149026b is thought to be tidally locked, just as our moon is to Earth, such thatone side of the planet is perpetually baked under the heat of its sun. Astronomers think that HD 149026b is probably blazing hot on its sunlit side, and much cooler on its dark side. A similar phenomenon was observed previously by Spitzer for the planet Upsilon Andromedae b. In the case of both planets, heat is not being evenly distributed across their surfaces. This is the opposite of what happens on Jupiter, where temperature differences are minimal all around. HD 149026b is located 256 light-years away in the constellation Hercules. It is the smallest known transiting planet, with a sizesimilar to Saturn's and a suspected dense core 70 to 90 times the mass of Earth. It speeds around its star every 2.9 days.
Short title	Blacker than Black
Credit/Provider	NASA/JPL-Caltech/T. Pyle (SSC)
Headline	This artist's concept illustrates the hottest planet yet observed in the Universe. The scorching ball of gas, a"hot Jupiter"called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) -- about 3 times hotter than the rocky surface of Venus, the hottest planet in or Solar System.
Source	Spitzer Space Telescope
Date and time of data generation	9 May 2007
Width	3,000 px
Height	2,400 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	14:54, 5 June 2009
Color space	Uncalibrated
Contact information	http://www.spitzer.caltech.edu 1200 E. California Blvd. Pasadena, CA, 91125 USA
Keywords	HD 149026b HD 149026b
IIM version	2

File:HD149026b nasa.jpg

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10 November 2011

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