
1 March 2017. The Moon returns at the beginning of March in the form of a slender waxing crescent in the western sky after sunset. It’s joined by the fading but still respectably bright planet Mars and the unmistakable silver-white radiance of the planet Venus. Uranus lies 2º west of Mars and reveals itself easily in a pair of binoculars. These three planets are a study in contrasting brightness. Venus shines at magnitude -4.6, Mars at magnitude +1.3, and Uranus at magnitude +5.7. The Moon today has a total magnitude of -9.0. Each full step in magnitude is a factor of 2.512 in brightness [Read more…] about The Sky This Month – March 2017
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