messier 21

"New stars offer to the mind a phenomenon more surprising, and less explicable, than almost any other in the science of astronomy." -George Adams Welcome back to another Messier Monday here on Starts With A Bang! The Messier catalogue was the very first accurate deep-sky catalogue with over 100 objects, finally topping out with 110 in its final form today. Compiled in the 18th century by Charles Messier and his assistant Pierre Mechain, this collection of fixed, deep-sky objects contains 110 of the brightest, most easily found and most spectacular sight in the entire sky. Image credit: Tenho…