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The top documents tagged [seconds gravity]
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Supernovas Supernova = When gravity wins… core collapses and a star explodes. Two main types: Type I and Type II Relatively rare: occur every 50-100 years
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What Questions Do We Still Have About the Universe?
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Back Stretches Dr. Michael P. Gillespie. Listen To Your Body When stretching, always listen to your body. If the stretch starts to feel too tight, ease
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