Sentences with phrase «which planetary embryos»
This definition is based in modern theories of planetary formation, in which planetary embryos initially clear their orbital neighborhood of other smaller objects.
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The dust grains in the disk collide and aggregate to form pebbles, which grow into boulders, and so on increasing in size through planetesimals, planetary embryos, and finally rocky terrestrial planets.
This level of internal pressure can only be explained if the planetary parent body was a Mercury - to Mars - sized planetary «embryo,» depending on the layer in which the diamonds were formed.
The study shows that the parent body from which the meteorite came was a planetary embryo of a size between Mercury and Mars.