Calculating the Journey The universe is vast, and it’s growing bigger by the second. Thanks to cosmic expansion, the distance to the edge of the observable universe is approximately 46.5 billion light ...
Wednesday, Jan. 8 and 15, 2025 at 9 p.m. on KPBS TV / Stream now with the PBS app —Discover how scientists are revealing new clues to the strangest and most extreme objects in the universe— They are ...
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