Tag: stars

What is matter? It’s not as basic as you’d think.

A little less than one-third of the universe—around 31 percent—consists of matter. A new calculation confirms that number; astrophysicists have long believed that something other than tangible stuff makes up the majority of our reality. So then, what is matter exactly? One of the hallmarks of Albert Einstein’s theory of special relativity is that mass […]

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