The YouTube channel Kurzgesagt has teamed up with “Writer, infant,” Tim Urban for a video comparing the size of the largest stars ever detected. This short tour of the increasingly huge stars not only ...
If Earth had the same diameter as the head of a pushpin, how much would all of the other celestial bodies in the universe need to shrink to scale proportionally? It’s a fun, ridiculous question and ...
A neutron star is the densest object astronomers can observe directly, crushing half a million times Earth's mass into a sphere about 12 miles across, or similar in size to Manhattan Island, as shown ...
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