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Why do you see many impact craters on the moon but not earth?
The Earth has weather patterns that have eroded most of the craters on Earth. The moon has no weather, therefore no erosion.
Can you see craters on the moon from earth?
No. Most of the impact craters that have formed on Earth have been destroyed and buried by geologic processes, processes that the moon lacks. While some recent impact craters on Earth remain visible on the surface, they are too small to be seen from the moon.
Are mars craters larger than earth craters?
Yes, erosion occurs much faster on Earth and the meteors partially burn up in our dense atmosphere so they will be smaller. Our atmosphere increases friction causing it to slow down. These effects of the atmosphere, however, do little to mitigate the largest impacts. The main factor is that most of the largest impact craters date to the early solar system when very large impacts were more common. Since that time most of Earth's surface has been recycled or greatly deformed through plate tectonics, which Mars does not have. Most of what hasn't been destroyed by plate tectonics has been eroded.
Why is the earth not covered with craters?
The Earth's surface is not heavily cratered because it has active geology, erosion processes, and a dynamic atmosphere that continuously reshape the planet's surface. This actively resurfaces the Earth, erasing most impact craters over time. Additionally, Earth's strong magnetic field and thick atmosphere protect it from many smaller impacting objects.
What evidence indicates that catastrophic impacts have occurred in the solar systems past?
Many impact craters are visible on many planets and satellites of planets. The moon is a perfect example, it is covered with craters, some of which we can see from Earth even without a telescope. We do have a few impact craters that have survived here on Earth, as well, even though the weather on Earth, over long periods of time, tends to smooth away craters.
What is the main reason that impact craters on the Moon last much longer than impact craters on earth?
Impact craters on the moon have no water/weather to erode the craters away, but on Earth the erosion erases the craters over time.
How many impact craters and basins have been found it on earth?
Earth Impact Database, a website concerned with over 170 scientifically-confirmed impact craters on Earth.
Why have old craters on the moon not been erased as similar craters on earth have been?
The moon has no atmosphere, liquid water, or plate tectonics and little volcanic activity or bury, erode, and southwester destroy impact craters.
How many craters Earth?
There are a huge number of craters on the Earth, including very small impact sites. There are about 65 named and documented craters on the planet.
What is Nemesis and what does it have to do with impact craters and extinctions on Earth?
Nemisis
Why does earth lack craters?
Earth does have impact craters, but it has much few than the moon or Mercury and many of them are not readily visible. The main reason is that Earth has many active geologic processes that renew and change its surface, burying and destroying impact craters. If an impact crater on Earth is clearly visible then it probably formed quite recently in geologic history. Many of the impact craters on the moon and Mercury are billions of years old, dating to when the solar system was young and large asteroid impacts were far more common than they are now. Very little of Earth's crust from that time remains intact. By contrast craters on Earth that are tens of millions of years old are not readily visible.
What planet has craters made by meteorites?
Mercury, Venus, Earth, and Mars all have impact craters.
Why do you see many impact craters on the moon but not earth?
The Earth has weather patterns that have eroded most of the craters on Earth. The moon has no weather, therefore no erosion.
Why have craters left by asteroid impacts on earth disappeared?
Asteroid impact craters are destroyed by weather, erosion, and earthquakes.
How many impacts craters and basins have been found on earth?
Earth Impact Database, a website concerned with over 170 scientifically-confirmed impact craters on Earth.
Why are craters preserved on the moon but not on earth?
Earth is geologically active and has wind and water to erode craters. The moon is geologically dead and has no atmosphere and thus no erosion. There is nothing on the moon to destroy impact craters.
Are impact craters larger on the earth or moon?
On average the craters on Moon are larger than the Earth's because the Moon has no atmosphere to shield from impactors and no weathering processes.
