Google Sky Map turns your Android-powered mobile phone into a window on the night sky.
the new version of Google Sky Map lets you time travel to see the sky at a specific date, past or future. After smooth travel to the desired year, you can fast forward or rewind in various speeds and watch how the sky changes.
Google Sky Map is available for Android-powered devices running Android 1.6 and above. Download this new version by going to Android Market on your phone, or by scanning the QR code below.