The Sky's No Limit

StarDate takes a look at new books in astronomy to aid your summertime reading.

This summer StarDate brings you feature-length excerpts from new books in astronomy. Get a peek behind the scenes of the discovery of dark energy in Richard Panek's The 4% Universe. Take a walk through an archeoastronomy site in Tyler Nordgren's Stars Above, Earth Below. And come to grips with Einstein's Theory of Special Relativity in Joanne Baker's Universe: 50 Things You Really Need to Know.