🌌 SpacePicture of a Day: NGC 6357: Cathedral to Massive Stars 🪐
How massive can a normal star be? Estimates made from distance, brightness and standard solar models had given one star in the open cluster Pismis 24 over 200 times the mass of our Sun, making it one of the most massive stars known. This star is the brightest object located in the central cavity near the bottom center of the featured image taken with the Webb Space Telescope in infrared light. For comparison, a rollover image from the Hubble Space Telescope is also featured in visible light. Close inspection of the images, however, has shown that Pismis 24-1 derives its brilliant luminosity not from a single star but from three at least. Component stars would still remain near 100 solar masses, making them among the more massive stars currently on record. Toward the bottom of the image, stars are still forming in the associated emission nebula NGC 6357. Appearing perhaps like a Gothic cathedral, energetic stars near the center appear to be breaking out and illuminating a spectacular cocoon. Teachers & Students: Ideas for Utilizing APOD in the Classroom
HD image: LINK 🛸
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| Name | Craft |
|---|---|
| Oleg Kononenko | ISS |
| Nikolai Chub | ISS |
| Tracy Caldwell Dyson | ISS |
| Matthew Dominick | ISS |
| Michael Barratt | ISS |
| Jeanette Epps | ISS |
| Alexander Grebenkin | ISS |
| Butch Wilmore | ISS |
| Sunita Williams | ISS |
| Li Guangsu | Tiangong |
| Li Cong | Tiangong |
| Ye Guangfu | Tiangong |
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