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The First Solar Day
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Caption:
After its first Mercury solar day (176 Earth days) in orbit, MESSENGER has nearly completed two of its main global imaging campaigns: a monochrome map at 250 m/pixel and an eight-color, 1-km/pixel color map. Apart from small gaps, which will be filled in during the next solar day, these global maps now provide uniform lighting conditions ideal for assessing the form of Mercury's surface features as well as the color and compositional variations across the planet. The orthographic views seen here, centered at 75° E longitude, are each mosaics of thousands of individual images. At right, images taken through the wide-angle camera filters at 1000, 750, and 430 nm wavelength are displayed in red, green, and blue, respectively.
Background Info:
These images are from MESSENGER, a NASA Discovery mission to conduct the first orbital study of the innermost planet, Mercury. For information regarding the use of images, see the MESSENGER image use policy .
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mercury | |
| System | ||
| Target Type | Planet | |
| Mission | MESSENGER | |
| Instrument Host | MESSENGER | |
| Host Type | Orbiter | |
| Instrument | Mercury Dual Imaging System (MDIS) | |
| Detector | ||
| Extra Keywords | Color, Map | |
| Acquisition Date | ||
| Release Date | 2011-10-05 | |
| Date in Caption | ||
| Image Credit | NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA14867 | |
| Identifier | PIA14867 | |
