Planets|書籍線上App不用買

Have you ever wondered which planet is the bright dot in the sky ? Wonder no more, this app will tell you in the blink of an eye.

With its unique touch control, you’ll also be able to find astronomical events very fast, accurately and easily:

- Discover the best time for observing planets (elongations or oppositions),

- Simulate the motion of planets over long time spans,

- Understand planetary motion.

- Get a countdown for the next transit of Mercury, on May 9th 2016.

In the Pro version you also get

* Beautiful and totally customizable widgets: You won’t need to open the app up: widgets are always available on your home screen.

* Notifications: you'll be notified of the best moment to observe the elusive Mercury

* A massive calendar of over 13,000 events spanning two centuries from 1900 to 2099.

* To share your most interesting finds through email, Twitter, Google docs, etc.

You’ll discover many thing you probably don’t know yet !

This app displays celestial locations of the Moon, naked-eye planets (Mercury, Venus, Mars, Jupiter and Saturn), the Sun, stars and constellations of the zodiac as seen from the Earth.

免費玩Planets APP玩免費

免費玩Planets App

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