Neil deGrasse Tyson

Neil deGrasse Tyson - and Darkness size of a football...

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Neil deGrasse Tyson 16:50 Bio From NYC BA at Harvard Hayden Planetarium director Host of “Nova Now” on PBS “The Cosmic Perspective” The Top Ten things anyone should know about the Universe o 10) Stars in the Universe Comparing numbers times 1,000 One sextillion (zetta-) 10^21 Number of stars in the observable universe o 9) Ego- the universe and your ego do not mix Earth- 1 of 9 in solar system Solar system Galaxy- one of 50,000,000,000 in universe Universe Multiverse  In other words, we are not everything in the universe, we are just a  speck, and shouldn’t get arrogant. o 8) Time Machine- telescope is like a time machine moon- 1.3 seconds ago sun- 8 minutes ago outside of the solar system- 5 hours ago o 7) Molecules o 6) Killer Asteroids “Apophis”- asteroid heading towards us named after the god of Death 
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Unformatted text preview: and Darkness size of a football stadium April 13 th , 2029, it will come by the Earth closer than our communication satellites Will hit 400 km west of Santa Monica Mt. Everest sized asteroid took out the dinosaurs o 5) Iron Willamette Meteorite o 4) Panspermia Extremophiles Hardy Bacteria Possibility that we are all martian. o 3) Chemical Elements Most Abundant cosmic elements in Universe Hydrogen Helium Oxygen Carbon Nitrogen Most Abundant cosmic elements on Earth Hydrogen Oxygen Carbon Nitrogen These are the ingredients of life. o 2) Forged in the stars Stars birth and explosion o 1) 16:50 16:50...
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Neil deGrasse Tyson - and Darkness size of a football...

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