If you don't know Neil deGrasse Tyson, this is as good a place to start as any. He's a professional smart guy. How smart? Take the smartest person you know, then duct-tape him to the second-smartest guy you know. He's even smarter.

And apparently, he's watching the All-Star Game. He's on fire:

You can play baseball on the airless Moon, but only if you find a way not to suffocate & if you don't care about curve balls.

— Neil deGrasse Tyson (@neiltyson) July 11, 2012

In the 1960s, when we still dreamed, we named a dome, a baseball team, and even the artificial turf they played on "Astro"

— Neil deGrasse Tyson (@neiltyson) July 10, 2012

If baseball reported averages to 4 decimal places instead of 3, then a three-hundred hitter would be batting "three thousand"

— Neil deGrasse Tyson (@neiltyson) July 11, 2012

Does it disturb anyone else that "The Los Angeles Angels" baseball team translates directly to "The The Angels Angels"?

— Neil deGrasse Tyson (@neiltyson) July 11, 2012

Slowest pitch in Baseball to reach catcher? 30 mph, thrown at 45-deg angle. Any slower and at any other angle hits the ground

— Neil deGrasse Tyson (@neiltyson) July 11, 2012

On fire. Nerd worlds colliding is the best.