Halley’s Comet begins its 38-year journey toward Earth tonight

Starting on Friday, December 8, we can finally confirm with certainty that Halley’s Comet is coming.

This most famous comet orbits the Sun in a flat, elliptical orbit that brings it close to the Sun and then takes it far beyond the outer limits of the Solar System. Since February 9, 1986, when it reached perihelion – the comet’s closest approach to the sun – it has begun its long journey back into deep space. From that time until the present, the comet has been moving relentlessly away from the Sun.

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