PIA21260_-_Earth_and_Its_Moon,_as_Seen_From_Mars.jpg
Summary
Description PIA21260 - Earth and Its Moon, as Seen From Mars.jpg |
English:
This composite image of Earth and its moon, as seen from Mars, combines the best Earth image with the best moon image from four sets of images acquired on Nov. 20, 2016, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. Each was separately processed prior to combining them so that the moon is bright enough to see. The moon is much darker than Earth and would barely be visible at the same brightness scale as Earth. The combined view retains the correct sizes and positions of the two bodies relative to each other. HiRISE takes images in three wavelength bands: infrared, red, and blue-green. These are displayed here as red, green, and blue, respectively. This is similar to Landsat images in which vegetation appears red. The reddish feature in the middle of the Earth image is Australia. Southeast Asia appears as the reddish area (due to vegetation) near the top; Antarctica is the bright blob at bottom-left. Other bright areas are clouds. These images were acquired for calibration of HiRISE data, since the spectral reflectance of the Moon's near side is very well known. When the component images were taken, Mars was about 127 million miles (205 million kilometers) from Earth. A previous HiRISE image of Earth and the moon is online at PIA10244. The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
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Date | ( published 2017-01-06 ) |
Source | Catalog page · Full-res ( JPEG · TIFF ) |
Author | NASA/JPL-Caltech/Univ. of Arizona |
This image or video was catalogued by Jet Propulsion Laboratory of the United States
National Aeronautics and Space Administration
(NASA) under
Photo ID:
PIA21260
.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing .
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This media is a product of the
Mars Reconnaissance Orbiter mission Credit and attribution belongs to the mission team, if not already specified in the "author" row |
Licensing
Public domain Public domain false false |
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:
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