Physical Science





Life on Europa

What are the implications for our planet Earth if life is found on Europa?  Europa is a moon of Jupiter that scientists believe has an ocean underneath it’s icy crust.  This is profound stuff, and NASA should have the exploration…
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What causes Black Holes

They are a phenomenon dating back almost to the beginning of the universe, and yet, black holes are a relatively recent discovery. Their existence was first predicted in the early 1920’s as an abstraction of Einstein’s theory of General Relativity….
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Crab Nebula

“In the first period Chih-Ho, the fifth moon, the day chi-ch’ou, a guest star appeared. After more than a year it became invisible”. So wrote an ancient Chinese observer on the fourth of July, 1054. This guest star was seen…
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