a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment
user-inactivated  ·  3405 days ago  ·  link  ·    ·  parent  ·  post: Pluto in Full color

We've know that Pluto is "red" and Charon is "grey" for a while now, at least since 2003 when Hubble took some images of Pluto. One of the science goals is to figure out why Pluto and Charon are different colors.