Halley S Comet Which Passes Around The Sun Every 76 Years Has An Elliptical Orbi

Halley’s comet, which passes around the Sun every 76 years, has an elliptical orbit. When closest to the Sun (perihelion) it is at a distance of 8.823 times 10^{10}; {rm{m}} and moves with a speed of 54.6 {rm km}/{rm s}. The greatest distance between Halley’s comet and the Sun (aphelion) is 6.152 times 10^{12}; {rm{m}}.

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