Pluto and other known “not-planets” in our solar system mapped in scale image montage

Montage by Emily Lakdawalla.
“Their non-planetary status is a handicap because these are the worlds that we need to get Earthlings excited about exploring.”

NASA finds Cookie Monster on surface of Mercury

Image: NASA/Johns Hopkins University Applied Physics Lab/Carnegie Institution of WA

"The superposition of younger craters on older craters (in this case two smaller craters upon the rim of an older crater) can result in landforms that appear to resemble more familiar shapes to human eyes." Definitely Cookie Monster. More: NASA.(thanks, Miles O'Brien) Read the rest