Explanation: Would the Rosette Nebula by any other name look as sweet? The bland New General Catalog designation of NGC 2237 doesn't appear to diminish the appearance of this flowery emission nebula, at the top of the image, atop a long stem of glowing hydrogen gas. Inside the nebula lies an open cluster of bright young stars designated NGC 2244. These stars formed about four million years ago from the nebular material and their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas. Ultraviolet light from the hot cluster stars causes the surrounding nebula to glow. The Rosette Nebula spans about 100 light-years across, lies about 5000 light-years away, and can be seen with a small telescope towards the constellation of the Unicorn (Monoceros).

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: NGC 2237 - Rosette Nebula - Tumannost' Rozetka Publikacii so slovami: NGC 2237 - Rosette Nebula - Tumannost' Rozetka
Sm. takzhe: Glubokoe pole Rozetki Kogda rozy ne krasnye V serdce tumannosti Rozetka NGC 2244: zvezdnoe skoplenie v tumannosti Rozetka Kosmicheskaya roza: tumannost' Rozetka v Edinoroge Kometa12P mezhdu tumannostyami Rozetka i Konus Tumannost' Rozetka Vse publikacii na tu zhe temu >>