STARS EXPLODE. GALAXIES COLLIDE. Asteroids and comets crash into planets. Black holes wreak havoc, swallowing everything-even whole solar systems-in their path. But how concerned should we be about these catastrophic scenarios? And if they do pose a danger, can anything be done to stop them?This is scary, to help you prepare for the end of thw world, check back tomorrow. I have a book to help us in out final days.
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