09:23
PBS Space Time
Can You Trust Your Eyes in Spacetime?
This week on Spacetime, we take a detour into how geometry works in spacetime.
How Do You Measure the Size of the Universe?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
How Do You Measure the Size of the Universe?
Season 1 Episode 3 | 5m 36s | CC
The universe is HUGE. But, there is only so much of the universe we can ACTUALLY see, and if we wanted to measure that FINITE space, how would we do it? A gigantic ruler? One really long car ride? Or maybe it's something even more spectacular, something that involves not only the observable universe as it is NOW, but how it was when it was first BORN?
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