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Summary
Description |
English: This image of the Pinwheel Galaxy, or M101, combines data in the infrared, visible, ultraviolet and x-rays from four of NASAs space telescopes. This multi-spectral view shows that both young and old stars are evenly distributed along M101s tightly-wound spiral arms. Such composite images allow astronomers to see how features in one part of the spectrum match up with those seen in other parts. It is like seeing with a regular camera, an ultraviolet camera, night-vision goggles and X-Ray vision, all at once! The red colors in the image show infrared light, as seen by the Spitzer Space Telescope. These areas show the heat emitted by dusty lanes in the galaxy, where stars are forming.
The yellow component is visible light, observed by the Hubble Space Telescope. Most of this light comes from stars, and they trace the same spiral structure as the dust lanes seen in the infrared. The blue areas are ultraviolet light, given out by hot, young stars that formed about 1 million years ago. The Galaxy Evolution Explorer (GALEX) captured this component of the image. Finally, the hottest areas are shown in purple, where the Chandra X-ray observatory observed the X-ray emission from exploded stars, million-degree gas, and material colliding around black holes. |
Date | |
Source | NASA JPL |
Author | NASA, ESA, CXC, JPL, Caltech and STScI |
Licensing
This file is in the public domain 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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Warnings:
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Public Domain
EXIF data: | |
File name | 21st_century_m101.jpg |
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Size, Mbytes | 1.15229296875 |
Mime type | image/jpeg |
Orientation of image | 1 |
Image resolution in width direction | 72 |
Image resolution in height direction | 72 |
Unit of X and Y resolution | 2 |
Color space information | 1 |
Exif image width | 2299 |
Exif image length | 2299 |
Software used | Adobe Photoshop CS3 Macintosh |
Copyright holder | 0 |
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