They believed that the planets resided on a smaller transparent ... realize that as the Earth moved around the Sun, some stars shifted in position relative to the background of others.

There are other techniques mentioned here such as a KML with transparent photo ... out a very long way from the earth, which has interesting effects on the background stars and galaxy.

Search Engine Land » Platforms » Google » New: Find Animated GIFs In Google Image Search, Images With Transparent Backgrounds Chat with SearchBot Please note that your conversations will be ...