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Explanation: Scattered within this cavernous nebula, cataloged as NGC 604, are over 200 newly formed hot, massive, stars. At 1,500 light-years across, this expansive cloud of interstellar gas and dust is effectively a giant stellar nursery located some three million light-years distant in the spiral galaxy, M33. The newborn stars irradiate the gas with energetic ultraviolet light stripping electrons from atoms and producing a characteristic nebular glow. The details of the nebula's structure hold clues to the mysteries of star formation and galaxy evolution.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: NGC 604 - star formation - emission nebula - M 33
Publications with words: NGC 604 - star formation - emission nebula - M 33
See also:
- APOD: 2025 September 19 Á The NGC 6914 Complex
- APOD: 2025 September 10 Á The Great Lacerta Nebula
- APOD: 2025 July 21 Á Cats Paw Nebula from Webb Space Telescope
- APOD: 2025 July 16 Á The Rosette Nebula from DECam
- APOD: 2025 July 10 Á Lynds Dark Nebula 1251
- APOD: 2025 July 5 Á Ou4: The Giant Squid Nebula
- APOD: 2025 June 26 Á The Seagull Nebula