“Tempel–Tuttle, Comet 55P/”的概念、定义、翻译、参考文献-科学参考

Tempel–Tuttle, Comet 55P/

Astronomy

A periodic comet, discovered independently in 1865 December by the German astronomer (Ernst) Wilhelm (Leberecht) Tempel (1821–89) and in 1866 January by the American astronomer Horace Parnell Tuttle (1837–1923). The comet’s orbital period is close to 33 years, and past apparitions back to ad 1366 have been identified. Comet Tempel–Tuttle is notable as the parent of the Leonid meteor stream, from which outbursts of high activity are sometimes seen when the comet returns to the inner Solar System. The comet’s orbit has a perihelion of 0.98 au, eccentricity 0.91, and inclination 162°.5.
http://cometography.com/pcomets/055p.html Information page at Cometography website.

单词	Tempel–Tuttle, Comet 55P/
释义	Tempel–Tuttle, Comet 55P/ Astronomy A periodic comet, discovered independently in 1865 December by the German astronomer (Ernst) Wilhelm (Leberecht) Tempel (1821–89) and in 1866 January by the American astronomer Horace Parnell Tuttle (1837–1923). The comet’s orbital period is close to 33 years, and past apparitions back to ad 1366 have been identified. Comet Tempel–Tuttle is notable as the parent of the Leonid meteor stream, from which outbursts of high activity are sometimes seen when the comet returns to the inner Solar System. The comet’s orbit has a perihelion of 0.98 au, eccentricity 0.91, and inclination 162°.5. http://cometography.com/pcomets/055p.html Information page at Cometography website.
随便看	Mede Media Access Control address media convergence media geographies medial moraine median median absolute deviation median eye median filter median(in probability and statistics) median lethal dose median-median line median network median(of a triangle) median polish median suture median test median triangle median valley median voter theorem median–median regression line media player mediastinum Medicaid medical ethics