COMETS EARTH JUPITER KUIPER BELT MARS MERCURY METEORITES NEPTUNE OORT CLOUD PLUTO SATURN SOLAR SYSTEM SPACE SUN URANUS VENUS ORDER PRINTS
PHOTO CATEGORIES SCIENCEVIEWS AMERICAN INDIAN AMPHIBIANS BIRDS BUGS FINE ART FOSSILS THE ISLANDS HISTORICAL PHOTOS MAMMALS OTHER PARKS PLANTS RELIGIOUS REPTILES SCIENCEVIEWS PRINTS
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This illustration depicts the immensity of the Oort cloud. The radius is approximately 30 trillion kilometers, the Sun being the center point. Trillions of icy objects travel this region, ancient relics of the primordial solar nebula from which the solar system was formed, and the source of future long-period comets to the inner solar system. |