Questions tagged [crater]

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Is crater counting accurate for relative dating between celestial bodies?

This Planetary Society article explains how crater density per unit area on the lunar surface helps identify what regions are older/younger than others. It also mentions that this chronology can be ...
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Where are the meteorite remnants related to the craters they've produced on the moon?

On Earth, in every crater there's usually at least some remnant of a meteorite. But with all the craters on the Moon, where are the meteorites in the middle of them?
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What is the deepest part of the moon on the near side?

Per title, I must emphasize that it shall be on the near side. Antoniadi (lunar crater) and Aitken basin are all on the far side. Preferrably it is also wide and large like the Oceanus Procellarum...
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Telescope in a crater? How different are the bowl shapes?

When building large stationary single-dish radio telescopes, one of the constraints to location is that the landscape should already have approximately the right shape, cutting down on construction ...
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2 votes
0 answers
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Will Perseverance explore the outskirts of Jezero?

Perseverance landed in the Jezero crater and has been exploring the area around its landing site. The crater use to be filled with water, so the bottom of the crater was covered with sedimentary rocks....
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Why did the last two NASA rovers land in craters?

Perseverance landed in Jezero crater, Curiosity in Gale crater. Do craters have any specific properties that make them desirable landing sites for rovers?
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7 votes
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Did the rovers' cruise balance masses have a noticeable impact on Mars?

Perseverance (2021) and Curiosity (2012) each ejected, among many other things, two tungsten "cruise balance masses" before reaching Mars's atmosphere, each about 70 kg. Were their impacts ...
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5 votes
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Eyes on Mars; are these craters mentioned or described in any paper or (scientific) article?

Credit: NASA/JPL/University of Arizona HiRISE ESP_025334_2035 For a closer view, click on the image, and then, click again. This pair of similar craters is located in the northern part of Oyama crater,...
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Did Conrad and Bean balk at entering the 650-foot-wide Surveyor Crater, or just express concern? What data had they seen?

The New York Times' The Moon Is a Hazardous Place to Live says: Throw in the intense contrast between light and dark — unlike anything we see here on Earth — and those changes in the terrain can play ...
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35 votes
3 answers
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Why are there mountains/mounds in the centre of craters on the lunar surface?

From clear images of moon's surface we can see many of the craters have small mountains/mounds (or montes) in the centre. So, what is the mechanism behind the formation of these mountains and which ...
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6 votes
1 answer
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How much is the difference of gravity attraction between the highest and lowest point on Mars?

Mars has a very high mountain, Olympus Mons (25 km), while Hellas Planitia is a 9 km deep crater. How much would the weight of a person weighing 100kg on Earth, change between the highest peak of ...
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How does one get Context Camera (CTX) images from Mars with certain identification numbers?

According to Wikipedia the Context Camera(CTX) on board of the Mars Reconnaissance Orbiter had already mapped 50% of Mars by Februari 2010. Should it not have to be possible to get access to all these ...
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7 votes
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Where on Mars are the possible other collapse features with very high depth/diameter ratio?

Figure 1 of this article about craters and collapse features on Mars with high depth/diameter ratios shows that ratios higher than 0.2 are exceptional. This presentation of the Program of the Second ...
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3 votes
2 answers
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What is the real depth of the Mojave crater on Mars?

The Mojave crater on Mars is interesting because among other things, it has alluvial fans that look remarkably similar to landforms in the Mojave desert. On the image1 above the crater has about ...
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4 votes
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How does one get the exact location of imaged features on the surface of Mars?

The image above is from the article "Evidence from the Mars Express High Resolution Stereo Camera for a frozen sea close to Mars' equator". It shows 3 flooded or partially flooded craters 4.8, 2.3 ...
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3 votes
1 answer
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Moon craters. How deep do they get?

Ive always wanted the answer to an specific question as you saw in the title "How deep does the moon craters go". Please leave your answers down below possibly link a good source.
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How deep a crater could an impactor spacecraft cause on Mars?

What would the best way be to crash an impactor into Mars with greatest topological effect? And how deep a crater could it excavate? Mars missions to date have been designed to approach the planet at ...
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10 votes
1 answer
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How deep is the regolith around this crater?

I'm trying to estimate the depth of the soil around this 300 m crater about 150 m from the lip of Lalande crate on the Moon's equator. In the image below from the LRO's camera the sun's incidence ...
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5 votes
1 answer
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Catalog of lunar crater depths and diameters

What is the most recent and comprehensive lunar craters catalog which contains information about their depths as well as diameters?
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8 votes
1 answer
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Why does the Moon's Anaxagoras crater seem sort of jumbled?

Now that very high resolution imagery of the Moon's whole north, above 60 °N, can be viewed on one giant awesome zoomable map, I've been taking a close look at a number of craters. Anaxagoras sticks ...
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10 votes
2 answers
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Is the water ice in craters near the moon's poles likely to be accompanied by other volatiles?

Is there enough information to conclude whether or not the water ice in the permanently shaded craters around the poles likely also contains carbon and nitrogen chemicals? (Or any other potentially ...
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11 votes
1 answer
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Features on border of a crater & ravine on Mars

This image of the Sirenum Fossae Trough - MGS MOC Release No. MOC2-248 of Mars shows spots on the northern lip of the crater that draw my attention. See the Mars Global Surveyor - Mars Orbiter Camera ...
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11 votes
1 answer
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Any explanation for morphology of within crater formations on the northern Nili Patera caldera of the Syrtis Major volcanic plain of Mars?

The Nili Patera region has enjoyed fairly good media exposure recently, ever since high detail HiRISE (High Resolution Imaging Science Experiment) photographs hit the Internet, showing fabulous sand ...
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