Also astronomy software is quite new, even though there are plenty of programs talking about it, most software are free, yet the more advanced ones, such as Starry Night or Digital Universe. These programs become more and more popular, as they are quite worth it. With them you can see the planets, the moon, as even smaller stars, you can go back in time to see how the world would have looked in that period, the poles are located,.... Endless features!
