Night sky above Yosemite

From the U.S. National Park Service and Yosemite Conservancy comes this great short film about the skies above Yosemite NP. The distance to major cities and thus relative absence of light pollution makes for phantastic night skies. Astronomers and... Read More

As moon was formed

This video shows some of the theories of how the Moon was created. As I explained in school if it was an impact of a “celestial body” on the ground. Not really think it was as big as shown in the video. But this video... Read More