Quote:
Originally Posted by tailwag
In that image of Pluto, the largest moon of Charon, seems almost as large as the planet itself, well somewhere around 80% perhaps as great. It might be argued that is a companion in a binary affair as distinctly different in a planet/moon relationship. http://www.nasa.gov/mission_pages/hu..._20060222.html |
They already classify Pluto as a 'Double Planet'
Charon is a Moon to me.