"When your friends begin to flatter you on how young you look, it's a sure sign you're getting old." -Mark Twain
Welcome to yet another installment of Messier Monday, where each week, I'll pick one of the 110 Messier Objects -- deep-sky objects catalogued to avoid confusion for comet hunters -- to highlight for you.
Image(s) credit: SEDS -- http://messier.seds.org/.
So far, we've taken a look at a supernova remnant, a young open star cluster, and an active star-forming nebula, a testament to the great diversity of these faint, fuzzy objects that might be easily confused with a comet. Today…
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