Space Exploration. Scale of Universe. Solar System! Virtual Star Map. Archaeo - Astronomy. Daylight Hrs Explorer. Shows the hours of daylight received during the year for an observer at a given latitude.
This is an important factor contributing to the seasons. Running this animation on your computer... right-click to download daylighthoursexplorer.swf and daylighthoursexplorer.html to the same directory open the html file in a browser to run the animation Linking to this animation... copy and paste the code below into your webpage or blog: Hubble Gallery.
Apollo 11 Interactive. Cosmology. Description Overview of modern scientific cosmology, including discussion of stars, the Milky Way galaxy, black holes, dark matter, the big bang, and evidence for our current understanding of the universe.