A Pair of New Impact Craters
NASA/JPL/University of Arizona
A Pair of New Impact Craters
ESP_053653_1850  Science Theme: Impact Processes
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MRO has discovered over 700 new impact sites on Mars. Often, a bolide breaks apart in the atmosphere and makes a tight cluster of new craters.

Here we see just two new craters, both with the same distinctive pattern of relatively blue (less red) ejecta surrounded by a dark blast zone (where dust has been removed or disturbed), and with arcing patterns extending northwest and northeast. This pattern indicates an oblique impact angle with the bolide coming from the north.

Written by: Alfred McEwen (audio: Tre Gibbs)  (14 May 2018)
 
Acquisition date
06 January 2018

Local Mars time:
15:13

Latitude (centered)
4.772°

Longitude (East)
131.429°

Spacecraft altitude
274.0 km (171.3 miles)

Original image scale range
27.4 cm/pixel (with 1 x 1 binning) so objects ~82 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection
Equirectangular

Emission angle:
6.2°

Phase angle:
45.0°

Solar incidence angle
50°, with the Sun about 40° above the horizon

Solar longitude
111.1°, Northern Summer

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  32.3°
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IRB: infrared-red-blue
RGB: red-green-blue
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Black & white is 5 km across; enhanced color about 1 km
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All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible:
NASA/JPL/University of Arizona

POSTSCRIPT
NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.