This video explores what scientists mean when they talk about the edge of the observable universe. Using real observations and established physics, it explains why space appears black beyond a certain ...
The Space Race on MSN
There's something at the edge of the universe - and scientists can't explain it
At the farthest limits of the observable universe lies a boundary defined by the oldest light that exists. Scientists can detect it, measure it, and map it, but they cannot go beyond it or see what ...
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