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EmissionNebula NGC6357
2006-12-19
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Credit line
- https://www.spacetelescope.org/images/heic0619a/ (TIFF image 36 MB)
- Rights
- Public domain, as the museum states it.
- Who can see it
- Teens profiles and older: its museum says too little about what it shows to place it for younger viewers. How works are placed
About this work
The star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 that extends one degree on the sky in the direction of the Scorpius constellation. Part of the nebula is ionised by the youngest (bluest) heavy stars in Pismis 24. The intense ultraviolet radiation from the blazing stars heats the gas surrounding the cluster and creates a bubble in NGC 6357. The presence of these surrounding gas clouds makes probing into the region even harder.
