On this day in 1773 – French astronomer Charles Messier discovered the Whirlpool Galaxy(pictured), an interacting, grand design spiral galaxy located an estimated 31 million light-years away. 
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On this day in 1773 – French astronomer Charles Messier discovered the Whirlpool Galaxy(pictured), an interacting, grand design spiral galaxy located an estimated 31 million light-years away. 
