Sentences with phrase «enstatite chondrite»
They also determined, based on this rapid cooling rate and the composition of lava deposits on Mercury's surface, that the planet likely has the composition of an enstatite chondrite — a type of meteorite that is extremely rare here on Earth.
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«We now know something like an enstatite chondrite was the starting material for Mercury, which is surprising, because they are about 10 standard deviations away from all other chondrites,» Grove says.
They found the closest match to be an enstatite chondrite, an extremely rare form of meteorite that is thought to make up only about 2 percent of the meteorites that fall to Earth.
They moreover show that the light signature emitted by Phobos and Deimos is incompatible with that of the primordial matter that formed Mars (meteorites such as ordinary chondrite, enstatite chondrite and / or angrite).
Edwin Thompson holds a large slice of enstatite chondrite meteorite that fell in Alberta, Canada, in 1952.
These results show also that Mercury likely formed with enstatite chondrites.