constellations

Celestial Globe

November 2, 2011 // 0 Comments

The Earth-centric model of the Solar System was first proposed by the Greek astronomer Ptolemy around 150 AD. That logical, but foundationally incorrect, model endured for [...]

Two Hundred Light Years

August 23, 2011 // 0 Comments

Perspective: One can get it when one looks at things from a new or different vantage point. Having the proper perspective is important in contemplating everyday things. It [...]

iOptron LiveStar Planetarium

January 14, 2011 // 0 Comments

Last January we got a gift of a wonderful globe made by Stellanova. It glowed from the inside, illuminating all of the constellations on its surface. The globe is [...]