"We are glad to announce that our recently released and hugely successful app Solar Walk is now available for iPad. The iPad resolution support comes with a free update and brings you a bigger, more accurate and stunningly beautiful 3D Solar System model which will blow you away!"
Star Walk for the iPhone (affiliate link) is a great app for anyone interested in astronomy, and now they have Solar Walk for the iPad (affiliate link), priced at $4.99 USD.
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iPhone 4, 1.6 GHz Core 2 Duo MacBook Air, Apple TV, 2.66GHz Intel C2D Mac Mini, 1TB TC, Airport Extreme,several iPods and an iPad, 32GB Wi-Fi version. Follow me on Twitter.