Definitions from Wikipedia (Engraved Hourglass Nebula)
▸ noun: The (also known as MyCn 18MyCn stands for Margaret Walton Mayall (My) and Annie Jump Cannon (Cn), their 39-object catalogue was published in 1940 as New Peculiar Spectra in the Harvard College Observatory Bulletin, no. 913; Mayall has a later 139-object catalogue to her name, designated My: New Peculiar Spectra, Harvard College Observatory Bulletin, no. 920.) a young planetary nebula in the southern constellation Musca.
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▸ noun: The (also known as MyCn 18MyCn stands for Margaret Walton Mayall (My) and Annie Jump Cannon (Cn), their 39-object catalogue was published in 1940 as New Peculiar Spectra in the Harvard College Observatory Bulletin, no. 913; Mayall has a later 139-object catalogue to her name, designated My: New Peculiar Spectra, Harvard College Observatory Bulletin, no. 920.) a young planetary nebula in the southern constellation Musca.
▸ Words similar to Engraved Hourglass Nebula
▸ Usage examples for Engraved Hourglass Nebula
▸ Idioms related to Engraved Hourglass Nebula
▸ Wikipedia articles (New!)
▸ Words that often appear near Engraved Hourglass Nebula
▸ Rhymes of Engraved Hourglass Nebula
▸ Invented words related to Engraved Hourglass Nebula