Astrophysicist and StarTalk host Neil deGrasse Tyson is of course an expert in all things science and universe related. Thanks to a new video posted by Wired, we get to see Tyson’s skills put to the test as he answers a series of pressing science questions from random users on Twitter. Check out the video above where Tyson dishes on quarks, how many stars are born each year, the expansion of the universe, and much more.
Tune into Tyson’s podcast StarTalk which airs on Sundays at 11 p.m. EST on National Geographic. And in case you’ve missed it, Neil deGrasse Tyson breaks down the science behind Game of Thrones’s ice dragon.