例句與造句

1. :There is no magma ocean.
2. The existence of a large magma ocean provides important constraints to the early evolution of the Martian mantle.
3. Magma oceans may survive for millions to tens of millions of years, interspersed by relatively clement conditions.
4. It is believed that KREEPs represent the last chemical remnants of that magma ocean after the lunar crust formed.
5. The first important event in the geologic evolution of the Moon was the crystallization of the near global magma ocean.
6. It's difficult to find magma ocean in a sentence. 用magma ocean造句挺難的
7. But according to Giant impact hypothesis, the existence of a magma ocean has never actually been proved at all!
8. Doesn't that qualify as a magma ocean ? talk ) 22 : 12, 14 May 2009 ( UTC)
9. It is also possible that terrestrial planets had magma oceans at some point during their formation as a result of giant impacts.
10. Geochemical mapping from orbit implies that the crust of the Moon is largely anorthositic in composition, consistent with the magma ocean hypothesis.
11. They have been radiometrically dated to having formed 4.4 billion years ago, and may represent plagioclase cumulates of the lunar magma ocean.
12. As crystallization of the lunar magma ocean proceeded, minerals such as olivine and pyroxene would have precipitated and sank to form the lunar mantle.
13. Magma oceans are integral parts of planetary formation as they facilitate formation of a core through metal segregation and an atmosphere and hydrosphere through degassing.
14. Ages of formation and crystallization of the lunar magma ocean have been constrained by studies of isotopes of hafnium, tungsten, samarium, and neodymium.
15. KREEP and the anorthositic samples have been used to infer that the outer portion of the Moon was once completely molten ( see lunar magma ocean ).
16. Extrasolar terrestrial planets that are extremely close to their parent star will be tidally locked and so one half of the planet will be a magma ocean.
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