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When a meteorite hits Mars at a low angle

The HRSC took a series of 368D images during Lap #16.7 where the ground resolution in the image is 35.3 meters per pixel. The photos show the area of ​​the library plain which is at latitude 118.7 south, and longitude XNUMX degrees east.

This image, taken with the high-resolution XNUMXD camera from the Mars Express spacecraft (HRSC), shows a large elliptical crater in the Hesperia plane on Mars.
This image, taken with the high-resolution XNUMXD camera from the Mars Express spacecraft (HRSC), shows a large elliptical crater in the Hesperia plane on Mars.

The HRSC took a series of 368D images during Lap #16.7 where the ground resolution in the image is 35.3 meters per pixel. The photos show the area of ​​the library plain which is at latitude 118.7 south, and longitude 24.4 degrees east. Another large elliptical impact crater is visible in the frame, and its dimensions are 11.2 by 650 km, and a maximum depth of XNUMX meters below the height line of the plains surrounding it.

The emission from the impact is visible at a great distance from the crater, including two formations northwest and southeast of the crater. The large circular formation, which is partly in the picture, has a diameter of about 45 kilometers.

It seems that the crater was affected by changes made due to the flow of lava and they kept the contours of the crater. The rounded formations seen in the northern part of the image, known as the furrow ridge, were caused by compressional tectonics.

While most of the impact craters are rounded, the lapith shape of the computer indicates an impact at an extremely sharp angle (less than 10 degrees). The longitudinal axis of the ellipse is seen in the direction of impact of the celestial projectile. Similar elliptical craters have also been observed elsewhere on Mars as well as on the Moon.

For a message from the European Space Agency on the Universe Today website

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