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The Big Bang, Cosmology part 1: Crash Course Astronomy #42

2,009 مناظر· 10/24/23
CrashCourse
CrashCourse
2,185 سبسکرائبرز
2,185
میں Life

Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly it s expanding also allows us to run the clock...

مزید دکھائیں
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