Study: Asteroid Hit Created Two ‘Grand Canyons’ on Moon — VOA Learning English
Теми: наука й природа
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A new study suggests an asteroid strike on the moon billions of years ago left two huge valleys about the size of Earth’s Grand Canyon.
Researchers from the United States and Britain said their research shows the two steep valleys, or canyons, likely formed in less than 10 minutes.
They noted the crash, or impact, happened near the south pole on the far side of the moon. That is the side of the moon which always faces away from Earth. The area is known as the Schrödinger impact basin.
The speed of the incoming object – which the team said might have been a comet – was estimated to be around 55,000 kilometers per hour. The strike likely happened about 3.8 billion years ago.
The researchers used…
Торкнись будь-якого слова — переклад з’явиться одразу, а слово ляже в твою добірку разом із реченням.