is an easy-to-use astronomy simulation software which allows you to learn how to identify planets, stars, and constellations. You can gaze at the heavens from your own backyard or any other location on Earth, explore the solar system, follow the trajectory of a comet, and access the view from the International Space Station.
Starry Night Backyard lets you view the sky in the past, present, and future, automatically identifying constellations as you move your mouse over them.
It includes data for over a million stars, all the planets, positions of the Messier objects and stick figures of all the constellations, as well as a "LiveSky.com" link which can retrieve more information on thousands of celestial bodies.
You can also travel in time from 4713 BC to 9999 AD, see what the night sky looked like on your birthday, watch the phases of the moon, trace orbits of planets and comets, visit a planet or star up to 20,000 light years away, and create QuickTime movies.
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Starry Night Backyard is an easy-to-use astronomy simulation software which allows you to learn how to identify planets, stars, and constellations.