Tonight and tomorrow night, let the moon show you the constellation Taurus the Bull on the great dome of sky. How to recognize the Bull’s 2 most prominent features, here.
Tonight - February 21, 2018 - watch the waxing crescent moon light up the evening sky as it dances along the southern boundary of the constellation Aries the Ram.
Of course, the far side of the moon stays hidden from Earth, for the most part. But lunar libration brings a bit of the usually-hidden western limb of the moon into view tonight.
Bruce McClure served as lead writer for EarthSky's popular Tonight pages from 2004 to 2021, when he opted for a much-deserved retirement. He's a sundial aficionado, whose love for the heavens has taken him to Lake Titicaca in Bolivia and sailing in the North Atlantic, where he earned his celestial navigation certificate through the School of Ocean Sailing and Navigation. He also wrote and hosted public astronomy programs and planetarium programs in and around his home in upstate New York.