http://www.pbs.org/nova/pluto/ Starting Feb 19th we challenge you to go to NOVA’s Web site and come up with a mnemonic appropriate for this new era of planetary science, and we’ll let you decide whether to stick to the eight official planets or fold in the dwarf planets as well (Ceres, Pluto, Haumea, Makemake, and Eris—five and counting). http://www.pbs.org/nova/pluto/
Duration : 0:0:54