The New Horizons spacecraft is about to explore the farthest object ever: Ultima Thule

New Horizons will fly by a rock a billion miles past Pluto on New Year’s Day.
Read more: https://www.vox.com/science-and-health/2018/12/24/18151547/new-horizons-ultima-thule-flyby-new-years-day?source=Snapzu