Image:Triangulum.nebula.full.jpg

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External Links

• NGC 604 at ESA/Hubble

Emission nebula NGC 604 lies in a spiral arm of galaxy M33, 2.7 million light-years away in the constellation Triangulum. This is a site where stars are being born. Though such nebulae are common in galaxies, this one is particularly large, nearly 1,500 light-years across. At the heart of NGC 604 are over 200 hot stars, much more massive than our Sun (15 to 60 solar masses). They heat the gaseous walls of the nebula making the gas fluoresce. Their light also highlights the nebula's three-dimensional shape, like a lantern in a cavern. The image was taken on January 17, 1995 with Hubble's Wide Field and Planetary Camera 2.

CREDIT: Hubble Space Telescope, photo PR96-27B

SOURCE: http://grin.hq.nasa.gov/BROWSE/gallaxies_3.html

COPYRIGHT: This photo is not copyright.

"Photographs are not protected by copyright unless noted. If not copyrighted, photographs may be reproduced and distributed without further permission from NASA."

Licensing

This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. or .

External Links

• Triangulum nebula at ESA/Hubble

File links

• Hydrogen
• Nebula
• Open cluster
• Stellar evolution
• Triangulum Galaxy
• H II region
• NGC 604
• Wide Field and Planetary Camera 2
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