Explore the wonders of our solar system—a corner of the universe that astronomers understand more fully every day. Starting at the sun, the center of it all, we move outward, planet by planet, and then beyond. From Mercury's prehistoric cataclysm to Uranus's uncommon axial tilt, the superb research and stunning images will captivate both keen stargazers and newcomers alike.  The gorgeous photographs—which include newly taken photos of Mars from Curiosity along with others from recent satellites, manned spaceflights, the International Space Station, and the Hubble telescope—bring the night sky to life.