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Expansion of the Universe loading

Red-shift is used to indicate that the universe is expanding.

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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.
  • Read
    Expansion of the Universe

    Expansion of the Universe

    by CK-12 //basic
    Recognize how redshift suggests the Universe is expanding.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    What is a Redshift?

    What is a Redshift?

    by CK-12 //basic
    This video uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Are We Expanding Too?

    Are We Expanding Too?

    by CK-12 //basic
    It is the space in the Universe that is expanding, not everything in it.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Expanding Forever?

    Expanding Forever?

    by CK-12 //basic
    Explores the battle between forces in the universe and the ultimate fate of the universe.
    MEMORY METER
    This indicates how strong in your memory this concept is
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