New impact crater discovered on Mars

by alex

Details of craters on Mars help better reconstruct the planet's past

A fresh crater has been discovered on Mars, adding new data on the dynamics of the solar system. NASA's spacecraft, which has been orbiting Mars since 2006, captured a detailed image of this impact crater using the HIRISE camera designed to study the Martian surface. 

Observations have shown that the crater has a diameter of 1 kilometer.

The team working with HIRISE data posted a photo with the laconic caption “A small, very fresh impact crater.” Although this crater is small compared to the Martian giants, more than a quarter of a million impact craters have been discovered on Mars, the size of the famous Barringer Crater in Arizona, which is about 1.22 kilometers in diameter, and more than 43,000 of them are more than 4.8 kilometers wide.  

Mars is located closer to the asteroid belt of the Solar System, which is filled with millions of cosmic bodies. That's why asteroid impacts on Mars are more frequent, and Mars' atmosphere is only 1% that of Earth's, meaning asteroids are less likely to heat up and disintegrate. Additionally, while Mars is not free from earthquakes, there is currently no geological activity or volcanism on Mars that could smooth out or cover new craters. Due to this, Mars retains a larger number of craters on its surface.

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In the context of comparison, there are only about 120 known impact craters on Earth, as geological activity, lava and tectonic movements influence the smoothing of impact marks. Tectonic plates on the Earth's surface continuously move rocks, causing the earth's layers to be reworked and large amounts of rock to be removed by volcanoes. Unlike Earth, there is no active geological activity on Mars, which is why new craters are preserved much better.

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