If you've ever tried stargazing in Boston, it's likely the stars you think you're seeing may just be lights from a plane flying into Logan. That's because light pollution obscures the wonders of the skies. Now a bill on Beacon Hill argues that it's bad for more than just astronomy. It's called the "Dark Sky" bill and one of its proponents, Sky and Telescope's Kelly Beatty, joined Jim Braude to explain.

