This space speech by Neil deGrasse Tyson is filled with urgency to protect the survival of humanity. He claims that we were lucky that the asteroids in Russia didn't do more damage, because Dinosaurs were wiped out by similar events.
Tyson is very passionate in his space speech -- so much so that his tone almost sounds angry. One of his most memorable quotes was, "I'm almost embarrassed for my species." This quote is a response to humanity's inactivity to the looming and dangerous asteroid threats that Earth faces. He said that if a large asteroid were to hit Earth, it wouldn't be the destruction at the base of the event that destroyed us, it would rather be the shockwave to the entire ecosystem creating a wave of extinction.
Urgent Asteroid Warnings
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Neil deGrasse Keynotes
The Neil deGrasse speeches examine the misconceived notion that private enterprises and privatizing...