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Martian Moon Phobos in Thermal Infrared Image
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Martian Moon Phobos in Thermal Infrared Image

NASA / JPL · 2017-10-04 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

Colors in this image of the Martian moon Phobos indicate a range of surface temperatures detected by observing the moon on Sept. 29, 2017, with the Thermal Emission Imaging System (THEMIS) camera on NASA's Mars Odyssey orbiter. The left edge of the small moon was in darkness, and the right edge in morning sunlight. Phobos has an oblong shape with average diameter of about 14 miles (22 kilometers).

NASA Image and Video Library’s own description
Subjects
2001 Mars OdysseyMarsPhobos
Credit lineMartian Moon Phobos in Thermal Infrared Image. NASA/JPL, 2017-10-04. Public domain. ID: PIA21858.
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