Brilliantly realistic, Starry Night Backyard 4.x is designed for anyone with an interest in the night sky. See the sky from anywhere on Earth, or visit any solar system or location up to 20,000 light-years away. View up to 2,500,000 stars and 170-plus deep-space objects like galaxies, star clusters, and nebulae. Travel 15,000 years in time, check out …