Have you ever wondered what it would be like to travel the universe? Under Alien Skies transports you to ten of the most spectacular sights outer space has to offer, from our own Moon to the far reaches of our solar system and beyond. Powered by the latest scientific research and renowned "Bad Astronomer" Philip Plait's prodigious imagination, try launching yourself onto a two-hundred-meter asteroid or stargazing from the rim of an ancient volcano. Experience the sudden onset of lunar nightfall, or, on a planet trillions of miles from Earth, glance down to see the shadows cast by a hundred thousand stars. For the aspiring extraterrestrial citizen or curious armchair traveler, Plait is an always-entertaining guide to the most otherworldly views in our universe.