Size Comparisons (annotated)
April 12, 2006
The artist's rendition shows the newly discovered planet-like object, dubbed "Sedna," in relation to other bodies in the Solar System, including Earth and its Moon; Pluto; and Quaoar, a planetoid beyond Pluto that was until now the largest known object beyond Pluto. The diameter of Sedna is slightly smaller than Pluto's but likely somewhat larger than Quaoar.
Topics: Environment, 90377 Sedna, Pluto, Planetary science, Trans-Neptunian object, 50000 Quaoar, Planets beyond Neptune, Solar System, Planet, System, Earth, Moon, artist