IFLScience on MSN
New graph mapping density of every object in the universe, from asteroids to black holes, comes with a few surprises
An ambitious project to map the density of every object in the cosmos has yielded a few surprises, and may help lead to new ...
But what does that mean? The simple answer is how heavy something is for its size. If something seems very heavy for its size (like a heavy metal object), we say it is more dense. If something seems ...
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