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trans-Neptunian的词源解释,trans-Neptunian来源

trans-Neptunian(adj.)

by 1852 (in a translation of A, von Humboldt), "being beyond the planet Neptune" (which was discovered and named in 1846); see trans- + Neptune. Originally of theoretical planets that could influence the orbits of comets.

该词起源时间:1852年