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Astronomy's 2021 Essential Products Guide

Highlights of some of the top products in the market for 2021, accumulated from partners of Astronomy magazine.

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The Dumbbell Nebula, also known as Messier 27, is a planetary nebula in the constellation Vulpecula the Fox. It lies 1,230 light-years away and carries the distinction of being the first planetary nebula to be discovered. Charles Messier found it in 1764.