Messier 18 was discovered and catalogued in 1764 by Charles Messier — for whom the Messier Objects are named — during his search for comet-like objects. It lies within the Milky Way, approximately ...
"Deep Sky Companion" at the Cahill Center for Astronomy and Astrophysics. Credit: Lia Halloran For her latest exhibition, called “Deep Sky Companion,” artist Lia Halloran was inspired not by the ...
If you spend any time with astronomers, sooner or later, you'll hear them use the phrase "M" something or other — such as "M42" or "M31." They are referencing deep-sky objects from a list that was ...
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