Neil deGrasse Tyson: We Live in a Cosmic Shooting Gallery

YouTube: Neil deGrasse Tyson: I'm almost embarrassed for my species that you can be so blind to everything experts have been telling you and you got to wait for people to almost die to say, "Oh, I guess they are out there. Let's find legislation to help find them and deflect them."
CaptainObvioussays...

He does like hearing the sound of his own voice, that's why he is worried about the echo-system.

deedub81said:

He's right, but he sounds (and looks) like such a pompous twit when he talks. I think he likes hearing the sound of his own voice almost as much as I like writing smart-alecky comments on the web.

Paybacksays...

There's a greater chance that one (or more) of the stars within about 6000 light years or so could give off a gamma ray burst that would wipe out any life in the solar system, no matter where we hid it. It's been postulated the previous-to-the-Yucatan-asteroid large scale die-offs could have happened due to GRB.

dandymansays...

Not according to David Thompson, a NASA astrophysicist and deputy project director on the Fermi Gamma-ray Space Telescope who compares the risk to Earth from a future gamma-ray burst to "the danger I might face if I found a polar bear in my closet in Bowie, Maryland. It could happen, but it is so unlikely that it is not worth worrying about."

Paybacksaid:

There's a greater chance that one (or more) of the stars within about 6000 light years or so could give off a gamma ray burst that would wipe out any life in the solar system, no matter where we hid it. It's been postulated the previous-to-the-Yucatan-asteroid large scale die-offs could have happened due to GRB.

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