File:Cassiopeia A- First Light (1999-0237).pdf
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Summary
[edit]DescriptionCassiopeia A- First Light (1999-0237).pdf |
English: Cas A is the remnant of a star that exploded about 300 years ago. The X-ray image shows an expanding shell of hot gas produced by the explosion. This gaseous shell is about 10 light years in diameter, and has a temperature of about 50 million degrees. |
Date | 26 August 1999 (upload date) |
Source | Cassiopeia A: First Light |
Author | NASA/CXC/SAO |
Other versions |
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Also Known As InfoField | Cas A |
Category InfoField | Supernovas & Supernova Remnants |
Color Code InfoField | Intensity |
Constellation InfoField | Cassiopeia |
Coordinates (J2000) InfoField | RA 23h 23m 26s |
Distance Estimate InfoField | 11,000 light years |
Observation Date(s) InfoField | August 19, 1999 |
Observation ID(s) InfoField | 214 |
Observation Time InfoField | 1 hours |
Scale InfoField | Image is 6 arcmin across. |
Instruments InfoField | ACIS |
This media is a product of the Chandra X-ray Observatory Credit and attribution belongs to the Chandra X-ray Center, NASA/SAO/Penn State University/MIT |
Licensing
[edit]Public domainPublic domainfalsefalse |
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.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:12, 27 May 2024 | 1,275 × 1,650 (242 KB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://chandra.si.edu/photo/1999/0237/0237_hand.pdf via Commons:Spacemedia |
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Date and time of digitizing | 13:46, 4 December 2000 |
Software used | Adobe PageMaker 6.52 |
File change date and time | 17:43, 7 September 2017 |
Date metadata was last modified | 17:43, 7 September 2017 |
Conversion program | Acrobat Distiller 4.05 for Macintosh |
Encrypted | no |
Page size | 612 x 792 pts (letter) |
Version of PDF format | 1.6 |