When Neil set up his "Ask an Astrophysicist" booth in Central Park, he got lots of takers. Here, listen in as he describes what inspired him as a boy to pursue science and why we should be thankful for the Hubble Space Telescope.
NEIL deGRASSE TYSON: And now for some final thoughts from the "dark side."
Consider all we've learned about the size, age and contents of the universe, from its fiery birth in the Big Bang, through 14 billion years of cosmic expansion that has followed. Even better, consider the powerful laws of physics we've discovered that account for it all. Kind of makes you stand with pride for being human.
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