Video : https://www.youtube.com/watch?v=wVm_hW5zVpg
Current demo : http://abdeveloper.com/earth/unityprojects.html
I want to thank you all for support and decided to release huge update that will contain:
30 new randomly generated Earth like planets + 30 Real time Night transitions
10 new clouds
I also added facility to switch between planets, change clouds and increase zoom rate.