Earthsky Tonight – Moon near Gemini’s

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Here is the moon again, in line with the the constellation Gemini’s brightest stars, Castor and Pollux, and not that far from the planet Mars. The moon will be even closer to Mars tomorrow night. Many people write to ask about the fact that, from Earth, we see only one side of the moon. The moon rotates about once a month, in contrast to the once-a-day rotation of our own planet ... Full Story