File:MESSENGER - NS.jpg

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Summary

DescriptionMESSENGER - NS.jpg	English: "NS maps variations in the fast, thermal, and epithermal neutrons Mercury’s surface emits when struck by cosmic rays. “Fast” neutrons shoot directly into space; others collide with neighboring atoms in the crust before escaping. If a neutron collides with a light atom (like hydrogen), it will lose energy and be detected as a slow (or thermal) neutron. Scientists can look at the ratio of thermal to epithermal (slightly faster) neutrons across Mercury’s surface to estimate the amount of hydrogen – possibly locked up in water molecules – and other elements."
Source	http://messenger.jhuapl.edu/instruments/GRNS.html
Author	NASA / JHU/APL

Licensing

	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:35, 25 January 2011		357 × 186 (19 KB)	Xession	{{Information \|Description ={{en\|1="NS maps variations in the fast, thermal, and epithermal neutrons Mercury’s surface emits when struck by cosmic rays. “Fast” neutrons shoot directly into space; others collide with neighboring atoms in the crust

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

MESSENGER

Global file usage

The following other wikis use this file:

Usage on ar.wikipedia.org
- ماسنجر (مسبار فضائي)
Usage on beta.wikiversity.org
- Radiation astronomy/Neutrons
- Radiation astronomy/Baryons
Usage on en.wikiversity.org
Usage on et.wikipedia.org
- MESSENGER
Usage on fr.wikipedia.org
- MESSENGER
Usage on ru.wikipedia.org
- Участник:Eligatron/Иллюстрации для статей о космонавтике 2

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