In his 1888 book Astronomy With an Opera-Glass, Garrett Serviss wrote: “The Milky Way, streaming down out of the northeast, pours, in a luminous flood, through Sagittarius, inundating that whole ...

The article presents a curated list of ten celestial objects — including globular clusters (M13, M22), open clusters (M6, M7, M11), emission nebulae (M8, M17, NGC 7000), and a planetary nebula (M27) — ...

Every star you see in the night sky forms from a nebula, which is a large region of dust and gas in space. One such nebula, the Lagoon Nebula, is visible with binoculars or small telescopes and is ...

Emission nebulae are the subject of many of the most spectacular astrophotographs published in the last decade. Although there are many subcategories of nebulae, they all consist of interstellar gas ...