Wednesday, March 23, 2016

Rivers, lakes and Forest on Pluto?

Pluto's exaggerated and wildly varying tilt may have helped give the dwarf planet rivers and lakes of liquid nitrogen. Pluto was known as the smallest planet in the solar system and the ninth planet from the sun. Today, Pluto is called a “dwarf planet.” A dwarf planet orbits the sun just like other planets, but it is smaller. A dwarf planet is so small it cannot clear other objects out of its path.