Work+Cited

[|blog.shockwave.com/ 2010/04/happy-earth-day/]
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[|www.aerospaceweb.org/. ../moon/orbit.jpg] karinahall.txc.net.au/. ../pluto-orbit.jpg [|www.thegreenduck.com/ ka/images/Eris-orbit.gif] [the_universe/uts/sea|www.windows2universe.org/ the_universe/uts/sea] aerospaceguide.net a1star.com nasa.gov monarchlibrary.wikispaces.com apod.nasa.gov geology.com [] atlasoftheuniverse.com [|http://science.hq.nasa.gov/**universe**/images/ngc300] orgs.usd.edu zodiacsignsastrology.us [] [] [] [] []
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