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

 On Friday, Dec. 8, Halley's Comet reaches its farthest point from the sun and begins its journey back through the solar system. 

https://cdn.mos.cms.futurecdn.net/u53oPnvc7ayRNpFZyqSLcU.jpg

https://www.space.com/halleys-comet-return