Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...
Before Charles Messier handed in the final supplement of his catalog, which was published in 1781, his contemporary, Pierre Méchain, supplied a number of new objects for his consideration. Messier ...
M31, the Andromeda Galaxy, and its satellite galaxies M32 (a hazy star just above-left of M31's center) and M110 (the oval structure below-left of M31's center). Photograph taken at Kopernik ...
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"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 ...
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