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Collection:
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NASA Astronomy Picture of the Day Collection
Collection
NASA Astronomy Picture of the Day Collection
Collection
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Title:
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An Ultraviolet Image of Messier 101
Title
An Ultraviolet Image of Messier 101
Title
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Explanation:
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This giant spiral galaxy, Messier 101 (M101), was photographed by the Ultraviolet Imaging Telescope onboard the Space Shuttle Endeavour during the Astro-2 mission (March 2 - 18, 1995). The image has been computer processed so that the colors represent the intensity of ultraviolet light. Pictures of galaxies like this one show mainly clouds of gas containing newly formed stars many times more massive than the sun, which glow strongly in ultraviolet light. In contrast, visible light pictures of galaxies tend to be dominated by the yellow and red light of older stars. Ultraviolet light, invisible to the human eye, is blocked by ozone in the atmosphere so ultraviolet pictures of celestial objects must be taken from space. For more information see NASA Astro-2 UIT release. [ http://fondue.gsfc.…]
Explanation
This giant spiral galaxy, Messier 101 (M101), was photographed by the Ultraviolet Imaging Telescope onboard the Space Shuttle Endeavour during the Astro-2 mission (March 2 - 18, 1995). The image has been computer processed so that the colors represent the intensity of ultraviolet light. Pictures of galaxies like this one show mainly clouds of gas containing newly formed stars many times more massive than the sun, which glow strongly in ultraviolet light. In contrast, visible light pictures of galaxies tend to be dominated by the yellow and red light of older stars. Ultraviolet light, invisible to the human eye, is blocked by ozone in the atmosphere so ultraviolet pictures of celestial objects must be taken from space. For more information see NASA Astro-2 UIT release. [ http://fondue.gsfc.…] Explanation
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Credit and Copyright:
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NASA, Ultraviolet Imaging Telescope (UIT)
Credit_and_Copyright
NASA, Ultraviolet Imaging Telescope (UIT)
Credit and Copyright
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facet_where:
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M101
facet_where
M101
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facet_where:
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Goddard Space Flight Center (GSFC)
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Goddard Space Flight Center (GSFC)
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facet_what:
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Sun
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Sun
facet_what
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facet_what:
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Visible Light
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Visible Light
facet_what
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facet_what:
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Space Shuttle Endeavour
facet_what
Space Shuttle Endeavour
facet_what
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facet_what:
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Messier
facet_what
Messier
facet_what
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facet_what:
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Space Shuttle Orbiter
facet_what
Space Shuttle Orbiter
facet_what
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original url:
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original_url
original url
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UID:
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SPD-APOD-ap950627
UID
SPD-APOD-ap950627
UID
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