Craters within a Crater
Craters within a Crater
PSP_006726_1830  Science Theme: Composition and Photometry
Schroeter Crater is an approximately 300-kilometer diameter crater near the equator that is highly degraded. The full image shows part of the west floor of the crater.

The floor is speckled with other craters, most of which are degraded; the largest entire crater in the scene (image above) has a sharp rim, indicating that it is relatively young. Although this crater is younger than most in the scene, it is filled with dunes, which tells us that it has been there long enough for the wind to blow material into it.

The bottom of the image covers the northeast rim of another crater. This crater looks like it was completely filled with material at one time and that this material has since been removed and sculpted by the wind. It contains dark dunes and piles of dark material, probably sand.

Written by: Kelly Kolb  (23 April 2008)
Acquisition date
02 January 2008

Local Mars time

Latitude (centered)

Longitude (East)

Spacecraft altitude
268.7 km (167.0 miles)

Original image scale range
53.9 cm/pixel (with 2 x 2 binning) so objects ~162 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection

Emission angle

Phase angle

Solar incidence angle
37°, with the Sun about 53° above the horizon

Solar longitude
11.7°, Northern Spring

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  10.4°
Black and white
map projected  non-map

IRB color
map projected  non-map

Merged IRB
map projected

Merged RGB
map projected

RGB color
non-map projected

Black and white
map-projected   (475MB)

IRB color
map-projected   (246MB)

Black and white
map-projected  (264MB)
non-map           (252MB)

IRB color
map projected  (112MB)
non-map           (258MB)

Merged IRB
map projected  (474MB)

Merged RGB
map-projected  (450MB)

RGB color
non map           (238MB)
B&W label
Color label
Merged IRB label
Merged RGB label
EDR products

IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

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

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.