Much-maligned Pluto would remain a planet and its largest moon plus two other heavenly bodies would join Earth's neighborhood under a draft resolution to be formally presented Wednesday to the International Astronomical Union, the arbiter of what is and isn't a planet.Read more at ABC News.
"Yes, Virginia, Pluto is a planet," quipped Richard Binzel, a professor of planetary science at the Massachusetts Institute of Technology.
Besides reaffirming the status of puny Pluto whose detractors insist it shouldn't be a planet at all the new lineup would include 2003 UB313, the farthest-known object in the solar system and nicknamed Xena; Pluto's largest moon, Charon; and the asteroid Ceres, which was a planet in the 1800s before it got demoted.
So do we have 9 or 12 planets?
Posted on Wednesday, Aug 16 2006 @ 19:27 CEST by Thomas De Maesschalck
Scientists are proposing to rewrite the textbooks to say that our solar system has 12 planets rather than nine.