The Whirlpool Galaxy (M51) is one of the gems of the springtime evening sky — a bright, gorgeous face-on spiral galaxy some 27 million light-years away in Canes Venatici. With an 8-inch telescope under a dark sky, you can begin to see the spiral structure of its star-forming arms; larger scopes will make the armsContinue reading “Fall into the Whirlpool Galaxy: This Week in Astronomy with Dave Eicher”
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