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Quite devastating on Earth, depending on the size.

The damage caused to a huge forested area in Siberia by the most recent, Tunguska strike, is still visible after 100 years and released energy several times more powerful than the Atom Bomb drops on Hiroshima and Nagasaki,

On the moon, however, there tend to be many many more impact craters but the Moon is relatively unaffected as it has no atmosphere and no free water. There is nothing to stop the solid objects, whether they be meteorites or Asteroids from striking the surface but they do not heat up by travel through an atmosphere as they do if they approach Earth.

There are two major factors that save the Earth from a similar number of ground strikes. Firstly the Atmosphere. Although it seems invisible and thin to us, it is many thousand times denser that the almost perfect Vacuum of outer space. Thus most solid objects burn up in the atmosphere as the friction caused by traveling through the dense atmosphere heats them up to a point where the majority of their bulk "Gases off" and is blown back into the upper atmosphere (shooting stars are physical manifestations of this phenomenon.

Also, most of these objects find their way to the inner Planets from debris Fields many million miles away form us. They approach at an angle to the Earth, having traveled in on an elliptical path which is disturbed by the gravitational pull of every Planet they pass.

Thus, when they reach us, any that do collide (and the odds against that would make the UK Lottery look like a sure thing) tend to travel in at an Acute or shallow angle. This increases hugely the amount of time they spend in the Earth's atmosphere. This extra time heats them to the point where they change into Gas because of the immense heat generated by friction with the atmosphere

Asteroids can be extremely large artifacts. It is thought that many of the asteroids that exist within our Solar System, are remnants of anther close neighbour that was destroyed in a cataclysmic collision with a large asteroid,.

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14y ago
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4mo ago

Asteroid collisions can create impact craters on both Earth and the moon, causing local and global environmental effects such as wildfires, earthquakes, tsunamis, and climate changes. These collisions can also result in the ejection of debris into space, impacting the surrounding areas and potentially leading to mass extinctions on Earth.

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Q: What effects do asteroid collisions have on Earth and the moon?
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