| 单词 | sediment ring |
| 释义 | > as lemmassediment ring sediment ring n. Astronomy a ring of rock masses orbiting a planet, regarded as debris from the time of its formation. ΘΚΠ the world > the universe > planet > [noun] > part of planet terminator1661 belt1665 fascia1704 fibre1715 white spot1784 dayside1827 nightside1848 albedo1860 north pole1861 polar cap1863 core1882 regolith1897 tectonics1899 sediment ring1955 radiation belt1958 palaeo-radius1960 space needle1961 soil1967 1955 Sci. News Let. 22 Jan. 53/1 Dr. Kuiper said that the moon, as it sped away from the earth, plowed through a ‘sediment ring’, a swarm of small satellites moving around the earth. 1970 Sci. Jrnl. May 32/1 This theory has it that the Moon formed out of the coagulation of a ‘sediment-ring’ of planetismals which originally circled the Earth. < as lemmas |
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