If Pizza sizes were given in area not diameter, you'd see instantly that a 7 inch is less than half the size of a 10 inch pie
Neil deGrasse TysonLike a snowplow in overdrive, a supernova shockwave might sweep away any gas clouds in its path.
Neil deGrasse TysonNever presume that just because you disagree with an idea that you must be correct.
Neil deGrasse TysonAmerica 2012: The Learning Channel has HoneyBooBoo, History Channel has PawnStars: and the Science Channel has PumpkinChunkin
Neil deGrasse TysonWhen you're a hammer (as the saying goes), all your problems look like nails. If you're a meteorite expert pondering the sudden extinction of boatloads of species, you'll want to say an impact did it. If you're an igneous petrologist, volcanoes did it. If you're into spaceborne bioclouds, an interstellar virus did it. If you're a hypernova expert, gamma rays did it.
Neil deGrasse Tyson