In the course of the past 290 million years, both the Earth and the Moon has been given two to three times as many of the huge asteroidenedslag. It writes the media Insider according to the Science.dk, where you can also see a wild video of 111 asteroids that bombards the Moon in a single minute.
the Earth is good to hide the craters from asteroid impacts, and in fact if you know only 200 of its kind.
the Moon is, however, full of them, and because the Moon has neither wind, liquid water or active geological processes as on Earth, we can still see the craters, millions of years after they have been created.
– the Moon is like a time capsule, which helps us to understand the Earth. The answer to how affected the Earth has been (by asteroid impacts, ed.), was right in the eyes of the us, says rumforsker William Bottke from the Southwest Research Institute in a press release, according to the Science.dk.
Together with a team of researchers he has talked and dated Lunar craters using images and data from NASA’s Lunar Reconnaissance Orbiter (LRO).
Thus they found up to 111 abatement, in the course of 1 billion years have created large craters on the Moon.
the Researchers also found out that:
the Moon has fewer craters from impacts in the first 700 million years of the period in about 1 billion years In the last third of the period increases the number of large impacts by 260 percent
the Researchers do not know with certainty why the number of large asteroidenedslag is increased.
But it is possible that the asteroids originated from the big collisions in the primary wide spreading asteroid belt between Mars and Jupiter, says the researchers.
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