astroPPM

In keeping with the Sabian Symbol for 0 Taurus, "A CLEAR MOUNTAIN STREAM" (phase 31), a photo of a tumbling Alpine stream i...

A rainbow over the Delaware River at the Northhampton-Warren County line (photo credit: Nicholas A Tonelli, May 2008) . I don’t kn...

Jupiter and two of its moons, Europa and Callisto as photographed by the Cassini spacecraft (photo credit NASA JPL, December 2000) ...