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Resource Type:

Video library

Creator

Crash Course
No content specifically designed for students with special needs

Versions:

free_ads

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none

Grade Levels:

10, 11, 12, 9, High school

Subject Areas:

Natural Sciences, science

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Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began – with a bang.