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Explore Planets Pluto, Dwarf Planets, and more!

Compass and scale image of Pluto This image, taken by the NASA/ESA Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto.

Height, from the surface of the Earth to the top of the observable universe, on a log scale. xkcd

Height, from the surface of the Earth to the top of the observable universe, on a log scale. xkcd

from BuzzFeed

35 Astounding And Uplifting Facts About The Universe