FOLLOWING ON FROM THE FIRST CLIP I POSTED FROM “WONDERS OF THE UNIVERSE” IN WHICH PROFESSOR BRIAN COX EXPLAINED HOW ALL OF THE DIFFERENT ELEMENTS ARE MADE, IN THIS CLIP FROM THE SERIES, BRIAN EXPLAINS EXACTLY HOW WE ARE ABLE TO DEDUCE WHAT ANY STAR IS MADE OF JUST BY ANALYZING THEIR LIGHT. REAL THOUGHT PROVOKING STUFF!
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