File:Oortcloud Sednaorbit kuiperbelt.jpg

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Successive blowups of the inner and outer solar system, the Kuiper belt, the orbit of Sedna, and the alleged Oort Cloud.

Original caption

These four panels show the location of the newly discovered planet-like object, dubbed "Sedna," which lies in the farthest reaches of our solar system. Each panel, moving counterclockwise from the upper left, successively zooms out to place Sedna in context. The first panel shows the orbits of the inner planets, including Earth, and the asteroid belt that lies between Mars and Jupiter. In the second panel, Sedna is shown well outside the orbits of the outer planets and the more distant Kuiper Belt objects. Sedna's full orbit is illustrated in the third panel along with the object's current location. Sedna is nearing its closest approach to the Sun; its 10,000 year orbit typically takes it to far greater distances. The final panel zooms out much farther, showing that even this large elliptical orbit falls inside what was previously thought to be the inner edge of the Oort cloud. The Oort cloud is a spherical distribution of cold, icy bodies lying at the limits of the Sun's gravitational pull. Sedna's presence suggests that this Oort cloud is much closer than scientists believed.

Copyright information

This image is served on a site belonging to NASA and the Jet Propulsion Laboratory. Per JPL/NASA policy and applicable United States federal law, such images are in the public domain, or, if they are owned by individuals or institutions other than NASA or JPL, may be used for any journalistic, educational, or personal purpose (but not a commercial purpose) without further authorization. NASA and JPL images, other than their respective institutional logos, or photographs of actual persons, are not subject to copyright and may be used without additional permission, unless otherwise declared. For details, see the JPL Image Use Policy Declaration.

Credit

NASA/Caltech

Source

<http://photojournal.jpl.nasa.gov/jpeg/PIA05569.jpg> (Scaled by User:TerryH)

File history

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Date/TimeThumbnailDimensionsUserComment
current15:30, 20 June 2008Thumbnail for version as of 15:30, 20 June 20081,000 × 1,000 (141 kilobytes)TerryH (Talk | contribs)Successive blowups of the inner and outer solar system, the Kuiper belt, the orbit of Sedna, and the alleged Oort Cloud. == Original caption == These four panels show the location of the newly discovered planet-like object, dubbed "Sedna," which lies in
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