File:Chandra Image Gives First Look at Mars Emitted X-Rays DVIDS850072.jpg
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DescriptionChandra Image Gives First Look at Mars Emitted X-Rays DVIDS850072.jpg |
English: Giving scientists their first look, Chandra observed x-rays produced by fluorescent radiation from oxygen atoms of the Sun in the sparse upper atmosphere of Mars, about 120 kilometers (75 miles) above its surface. The x-ray power detected from the Martian atmosphere is very small, amounting to only 4 megawatts, comparable to the x-ray power of about ten thousand medical x-ray machines. At the time of the Chandra observation, a huge dust storm developed on Mars that covered about one hemisphere, later to cover the entire planet. This hemisphere rotated out of view over the 9-hour observation, but no change was observed in the x-ray intensity indicating that the dust storm did not affect the upper atmosphere. Scientists also observed a halo of x-rays extending out to 7,000 kilometers above the surface of Mars believed to be produced by collisions of ions racing away from the Sun (the solar wind).
NASA Identifier: MSFC-0301104 |
Date | |
Source | https://www.dvidshub.net/image/850072 |
Author | Glenn Research Center |
Location InfoField | WASHINGTON, D.C., US |
Posted InfoField | 8 February 2013, 14:03 |
DVIDS ID InfoField | 850072 |
Archive link InfoField | archive copy at the Wayback Machine |
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Public domainPublic domainfalsefalse |
This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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Author | NASA, Courtesy Photo |
---|---|
Headline | Chandra Image Gives First Look at Mars Emitted X-Rays |
Image title | Giving scientists their first look, Chandra observed x-rays produced by fluorescent radiation from oxygen atoms of the Sun in the sparse upper atmosphere of Mars, about 120 kilometers (75 miles) above its surface. The x-ray power detected from the Martian atmosphere is very small, amounting to only 4 megawatts, comparable to the x-ray power of about ten thousand medical x-ray machines. At the time of the Chandra observation, a huge dust storm developed on Mars that covered about one hemisphere, later to cover the entire planet. This hemisphere rotated out of view over the 9-hour observation, but no change was observed in the x-ray intensity indicating that the dust storm did not affect the upper atmosphere. Scientists also observed a halo of x-rays extending out to 7,000 kilometers above the surface of Mars believed to be produced by collisions of ions racing away from the Sun (the solar wind). NASA Identifier: MSFC-0301104 |
City shown | Washington |
Credit/Provider | U.S. Civilian |
Source | Digital |
Copyright holder | Public Domain |
Keywords |
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Province or state shown | D.C. |
Code for country shown | US |
Country shown | US |
Original transmission location code | MSFC-0301104 |