Challenger Colles
Feature typecolles
Length60 km
Width35 km
DiscovererNew Horizons
NamingSpace Shuttle Challenger

Challenger Colles is a range of hills on Pluto in Sputnik Planitia, discovered by New Horizons in July 2015.[1] It is named in honor of the Space Shuttle Challenger, which was destroyed with all seven crew lost on January 28, 1986. The name Challenger Colles became official on May 27, 2022.[2]


  1. ^ Talbert, Tricia (4 February 2016). "Pluto's Mysterious, Floating Hills". NASA. Retrieved 28 May 2016.
  2. ^ "Planetary Names".