File:Helix Nebula in infrared (captured by the Spitzer Space Telescope).tif
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DescriptionHelix Nebula in infrared (captured by the Spitzer Space Telescope).tif | The Helix Nebula, which is composed of gaseous shells and disks puffed out by a dying sun-like star, exhibits complex structure on the smallest visible scales. In this new image from NASA's Spitzer Space Telescope, infrared light at wavelengths of 3.6, 4.5, and 8.0 microns has been colored blue, green, and red (respectively). The color saturation also has been increased to intensify hues. The cometary knots show blue-green heads due to excitation of their molecular material from shocks or ultraviolet radiation. The tails of the cometary knots appear redder due to being shielded from the central star's ultraviolet radiation and wind by the heads of the knots. | ||||||
Date | |||||||
Source | http://www.spitzer.caltech.edu/images/1533-ssc2006-01a1-Infrared-Helix (direct link) | ||||||
Author | NASA/JPL-Caltech/J. Hora (Harvard-Smithsonian CfA) | ||||||
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current | 14:29, 31 December 2011 | 2,977 × 3,465 (21.42 MB) | Prof. Professorson (talk | contribs) | {{Information |Description=The en:Helix Nebula, which is composed of gaseous shells and disks puffed out by a dying sun-like star, exhibits complex structure on the smallest visible scales. In this new image from NASA's [[:en:Spitzer Space Telescope |
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Image title | The Helix Nebula, which is composed of gaseous shells and disks puffed out by a dying sunlike star, exhibits complex structure on the smallest visible scales. In this new image from NASA's Spitzer Space Telescope, infrared light at wavelengths of 3.6, 4.5, and 8.0 microns has been colored blue, green, and red (respectively). The color saturation also has been increased to intensify hues. The "cometary knots" show blue-green heads due to excitation of their molecular material from shocks or ultraviolet radiation. The tails of the cometary knots appear redder due to being shielded from the central star's ultraviolet radiation and wind by the heads of the knots. |
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Author | Spitzer Space Telescope |
Copyright holder | http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml |
Width | 2,977 px |
Height | 3,465 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 29 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 13:33, 26 February 2009 |
Color space | Uncalibrated |
warning | wrong data type 7 for "XMLPacket"; tag ignored. |
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