Love it or hate it, Pluto is not a Planet

From the NYT:

Pluto got its walking papers today.

Throw away the placemats. Grab a magic marker for the classroom charts. Take a pair of scissors to the solar system mobile.

After years of wrangling and a week of bitter debate, astronomers voted on a sweeping reclassification of the solar system. In what many of them described as a triumph of science over sentiment, Pluto was demoted to the status of a “dwarf planet.” [More...]