单词	Bessel, Friedrich Wilhelm
释义	Friedrich Wilhelm Bessel /ˈbɛs(ə)l / (1784–1846), German astronomer and mathematician. He determined the positions of some 75,000 stars, obtained accurate measurements of stellar distances, and following a study of the orbit of Uranus, predicted the existence of an eighth planet.
随便看	nematology nematomorph Nematomorpha nematophagous nematophore nematophorous nembie Nembutal nembutalized nembutsu nembutzu nem. con. Nemean Nemedian Nemertea nemertean nemertine nemesia nemesis nemesism Nemgis nemic nemine contradicente nemine dissentiente nemmie

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