尽管它看起来像是一个陨石撞击坑,它是在一个火山穹丘硬化和逐步侵蚀中,剥离出洋葱状岩石层的结果。
Although it resembles an impact crater, it formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock.
这一撞击坑是由几百万年之前一颗陨石的撞击形成的,如果当时这颗星球上有水,这些水可能已经聚集到了撞击坑里,使其变成一个蒸发湖。
The crater was formed by a meteorite impact billions of years ago, and if there were water on the planet back then, it would have accumulated in the crater, turning it into an evaporative lake.
撞击坑来源多样,比如亚利桑那州的陨石坑,但西伯利亚的爆炸发生在地面上空,摧毁了爆炸中心数千公里的树木。
Craters form in some cases, such as Meteor Crater in Arizona, but in many cases, including Siberia, impactors explode far above the ground.
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