Noted astronomer Andrew Farknoi answers questions about the August 21 solar eclipse. Where can you see it? What's the safest way to watch it? What is going on during a solar eclipse? Why are they so rare? Why the kind of total eclipse we see on earth is a billion to one shot and rare among planets in the universe? Why some day the eclipse won't be total. Why does the eclipse path seem to move the opposite direction of the sun? What will happen and what won't happen. Where to get the special glasses you will need before and after totality. How do you explain an eclipse tell a kid. How do you explain eclipses with hula hoops? And much more.