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Planets of the Solar System loading

The eight planets of the solar system with increasing distance from the sun have larger orbits.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    Eyes on the Solar System

    Eyes on the Solar System

    by CK-12 //advanced

    Watch planets and other objects in the solar system move in real-time. You can also rewind back up to 1950 and forward to 2050 to see how they will move in the future. (Watch the introductory video if you need help.)

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