Explanation: NGC 2359 is a striking emission nebula with an impressive popular name - Thor's Helmet. Sure, its suggestive winged appearance might lead some to refer to it as the "duck nebula", but if you were a nebula which name would you choose? By any name NGC 2359 is a bubble-like nebula some 30 light-years across, blown by energetic winds from an extremely hot star seen near the center and classified as a Wolf-Rayet star. Wolf-Rayet stars are rare massive blue giants which develop stellar winds with speeds of millions of kilometers per hour. Interactions with a nearby large molecular cloud are thought to have contributed to this nebula's more complex shape and curved bow-shock structures. NGC 2359 is about 15,000 light-years distant toward the constellation Canis Major.

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

Publikacii s klyuchevymi slovami: NGC 2359 - Wolf-Rayet star - Thor's Helmet - duck nebula - zvezdy Vol'fa-Raie - shlem Tora - tumannost' Utka Publikacii so slovami: NGC 2359 - Wolf-Rayet star - Thor's Helmet - duck nebula - zvezdy Vol'fa-Raie - shlem Tora - tumannost' Utka
Sm. takzhe: Sharpless 308: tumannost' Golova Del'fina Kol'cevaya tumannost' vokrug WR 134 Shlem Tora Kol'cevaya tumannost' WR 134 Sharpless 2-308: tumannost' Del'fin Zvezda Vol'fa-Raie WR 124 Sformirovannaya zvezdnym vetrom tumannost' RCW 58 Vse publikacii na tu zhe temu >>