Sentences with phrase «worried about an asteroid»

Why then, would one worry about asteroid strikes?

Not exact matches

Although astronomer David Jewitt of the Institute for Astronomy in Hawaii thinks Rabinowitz has done a good job counting the big asteroids, he is more worried about the hundreds of thousands of rocks smaller than 1 kilometer but larger than 100 meters.

While I'm posting (I can see how you guys get into this) I'm also very uncomfortable with your notion of «tacit knowledge:» it certainly seems to be tacit knowledge in the blogosphere that the chances of the climate sensitivity (equilibrium warming on indefinite stabilization at 560ppm CO2, for the non-enthusiasts) being greater than or equal to 6 degrees are too small to be worth worrying about (meaning down at the level of an asteroid strike).

«The chance of an asteroid hitting the planet is one in a hundred million, so we don't worry about that,» he says.