Datei:Andromeda galaxy - Herschel - Nhsc2013-004a - crop.jpg
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BeschreibungAndromeda galaxy - Herschel - Nhsc2013-004a - crop.jpg |
Andromeda's Colorful Rings The ring-like swirls of dust filling the Andromeda galaxy stand out colorfully in this new image from the Herschel Space Observatory, a European Space Agency mission with important NASA participation. The glow seen here comes from the longer-wavelength, or far, end of the infrared spectrum, giving astronomers the chance to identify the very coldest dust in our galactic neighbor. These light wavelengths span from 250 to 500 microns, which are a quarter to half of a millimeter in size. Herschel's ability to detect the light allows astronomers to see clouds of dust at temperatures of only a few tens of degrees above absolute zero. These clouds are dark and opaque at shorter wavelengths. The Herschel view also highlights spokes of dust between the concentric rings. The colors in this image have been enhanced to make them easier to see, but they do reflect real variations in the data. The very coldest clouds are brightest in the longest wavelengths, and colored red here, while the warmer ones take on a bluish tinge. These data, together with those from other observatories, reveal that other dust properties, beyond just temperature, are affecting the infrared color of the image. Clumping of dust grains, or growth of icy mantles on the grains towards the outskirts of the galaxy, appear to contribute to these subtle color variations. These observations were made by Herschel's spectral and photometric imaging receiver (SPIRE) instrument. The data were processed as part of a project to improve methods for assembling mosaics from SPIRE observations. Light with a wavelength of 250 microns is rendered as blue, 350-micron is green, and 500-micron light is red. Color saturation has been enhanced to bring out the small differences at these wavelengths. |
Datum | |
Quelle | http://www.herschel.caltech.edu/image/nhsc2013-004a http://www.herschel.caltech.edu/system/avm_image_sqls/binaries/122/original/nhsc2013-004a.tif |
Urheber | Credit ESA/NASA/JPL-Caltech/B. Schulz (NHSC) |
Genehmigung (Weiternutzung dieser Datei) |
Unless otherwise noted, images and video on Herschel public web sites (public sites ending with a herschel.caltech.edu address) may be used for any purpose without prior permission, subject to the special cases noted below. Publishers who wish to have authorization may print this page and retain it for their records; The NASA Herschel Science Center (NHSC) at IPAC does not issue image permissions on an image by image basis. By electing to download the material from this web site the user agrees:
Special Cases:
About High-Resolution Images For any image which has a "Full Size" download option, that dowload will be the highest available resolution and the widest crop the NASA Herschel Science Center (NHSC) at IPAC has available. Available resolutions can vary widely due to the nature of the images or observations. NHSC opts not to upsource images as better results are usually attained by allowing the graphic designer or printer with the need for the higher resolution to do the upsource. In many cases, screen-resolution counterparts are provided for high-resolution images. These are intended for online viewing and preview, and have not been optimized for print. The NASA Herschel Science Center (NHSC) at IPAC recommends all publications use the "Full Size" images. In situations where a "Full Size" image is not specifically provided on the website, NHSC does not have high-resolution versions of the image available. However, when image credit is given to sources other than JPL/Caltech, high-resolution images may be available through those other institutions, and the user is encouraged to contact them directly. |
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28. Januar 2013
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aktuell | 19:30, 6. Jun. 2020 | 2.800 × 1.495 (1,63 MB) | Fabian RRRR | == {{int:filedesc}} == {{Information |Description=''Andromeda's Colorful Rings The ring-like swirls of dust filling the Andromeda galaxy stand out colorfully in this new image from the Herschel Space Observatory, a European Space Agency mission with important NASA participation. The glow seen here comes from the longer-wavelength, or far, end of the infrared spectrum, giving astronomers the chance to identify the very coldest dust in our galactic neighbor. These light wavelengths span from... |
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Fotograf | Spitzer Space Telescope |
Urheberrechte | http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml |
Benutzerkommentare | NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.
The multi-wavelength view of Andromeda combines images taken at 24 microns (blue), 70 microns (green), and 160 microns (red). Using all three bands from the multiband imaging photometer allows astronomers to measure the temperature of the dust by its color. The warmest dust is brightest at 24 microns while the coolest is most evident at 160 microns. The blue/white areas have the hottest dust, as seen in the bulge and in the star-forming areas along the arms. The cooler dust floating further out in the ring and arms are in the redder regions. The data were taken on August 25, 2004, the one-year anniversary of the launch of the space telescope. The observations have been transformed into this remarkable gift from Spitzer -- the most detailed infrared image of the spectacular galaxy to date. |
Namensnennung/Veröffentlicher | NASA/JPL-Caltech/K. Gordon (University of Arizona) |
Titel | NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light. |
Quelle | Spitzer Space Telescope |
Kurztitel |
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Nutzungsbedingungen | |
Erfassungszeitpunkt | 13. Oktober 2005 |
JPEG-Dateikommentar | NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.
The multi-wavelength view of Andromeda combines images taken at 24 microns (blue), 70 microns (green), and 160 microns (red). Using all three bands from the multiband imaging photometer allows astronomers to measure the temperature of the dust by its color. The warmest dust is brightest at 24 microns while the coolest is most evident at 160 microns. The blue/white areas have the hottest dust, as seen in the bulge and in the star-forming areas along the arms. The cooler dust floating further out in the ring and arms are in the redder regions. The data were taken on August 25, 2004, the one-year anniversary of the launch of the space telescope. The observations have been transformed into this remarkable gift from Spitzer -- the most detailed infrared image of the spectacular galaxy to date. |
Kameraausrichtung | Normal |
Horizontale Auflösung | 72 dpi |
Vertikale Auflösung | 72 dpi |
Software | GIMP 2.10.14 |
Speicherzeitpunkt | 19:25, 6. Jun. 2020 |
Farbraum | sRGB |
Eindeutige Kennung des ursprünglichen Dokuments | xmp.did:cd1075c4-bb04-42ec-8873-181c313c981b |
Stichwörter | Andromeda Galaxy, Messier 31, M31, NGC 224 |
Kontaktinformationen |
http://www.spitzer.caltech.edu 1200 E. California Blvd. Pasadena, CA, 91125 USA |