If you’re out and about tonight, take a quick gander up at the moon, and you’ll notice that the orange-red planet Mars is quite close to tonight’s half-moon, while the bluish star Spica can be […]

Back from Spring Break after a fantastic week on the Caribbean in the Tulum area of the Yucatan Peninsula, Quintana Roo, Mexico. My only other experience in the Caribbean was on the island of Roatan, […]

On 1/19/14, telecommunications satellite Iridium Fourteen passed 769 km overhead Golden, CO, slowly rotating about its longitudinal axis at an azimuth of 044° (NE) and altitude of 66.8°. At 17:42:49, the satellite’s left antenna, a […]

…that I can’t resist photographing. This evening’s stunning sunset would have made and exquisite time-lapse, but unfortunately all my camera gear was packed in the car for a trip to the mountains. I thus had […]

Happy 2014! Tonight’s new moon, the first of this new year, sets over Mt. Galbraith in Golden, Colorado (our exceptionally clear air rendered the ‘dark side’ of the moon clearly visible, as you can see […]

The arctic cold air mass that has been sitting on Colorado for the last several days has at least enabled a certain type of growth to flourish: ice crystals on windows, especially those windows whose […]