﻿ Astronomy Picture of the Day [1]Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2024 June 10 [2]A starfield is shown with a large colorful emission nebula in the center. The outline of this emission nebula has a resemblance to a lion. Please see the explanation for more detailed information. Sh2-132: The Lion Nebula Image Credit & Copyright: [3]Imran Badr; Text: [4]Natalia Lewandowska ([5]SUNY Oswego) Explanation: Is the Lion Nebula the real ruler of the [6]constellation Cepheus? This powerful feline appearing [7]nebula is powered by two [8]massive stars, each with a mass over 20 times greater than [9]our Sun. Formed from [10]shells of ionized gas that have expanded, the nebula's energetic matter not only [11]glows, but is dense enough to contract [12]gravitationally and form stars. The angular size of the [13]Lion Nebula, officially named [14]Sh2-132, is slightly greater than that of the [15]full moon. The gaseous [16]iconic region resides about 10,000 [17]light years away in a [18]constellation named after the King of [19]Aethopia in [20]Greek mythology. Your Sky Surprise: [21]What picture did APOD feature on your birthday? (post 1995) Tomorrow's picture: star clouds __________________________________________________________________ [22]< | [23]Archive | [24]Submissions | [25]Index | [26]Search | [27]Calendar | [28]RSS | [29]Education | [30]About APOD | [31]Discuss | [32]> __________________________________________________________________ Authors & editors: [33]Robert Nemiroff ([34]MTU) & [35]Jerry Bonnell ([36]UMCP) NASA Official: Amber Straughn [37]Specific rights apply. [38]NASA Web Privacy, [39]Accessibility, [40]Notices; A service of: [41]ASD at [42]NASA / [43]GSFC, [44]NASA Science Activation & [45]Michigan Tech. U. References 1. https://apod.nasa.gov/apod/archivepix.html 2. https://apod.nasa.gov/apod/image/2406/LionNeb_Badr_3720.jpg 3. https://www.astrobin.com/users/imranbadr/ 4. https://ww1.oswego.edu/physics/profile/natalia-lewandowska 5. https://www.oswego.edu/physics/ 6. https://en.wikipedia.org/wiki/Cepheus_(constellation) 7. https://en.wikipedia.org/wiki/Nebula 8. https://skyandtelescope.org/online-gallery/sh2-132-lion-nebula/ 9. https://science.nasa.gov/sun 10. https://ui.adsabs.harvard.edu/abs/2010MNRAS.405.1976V/abstract 11. https://apod.nasa.gov/apod/ap230724.html 12. https://science.nasa.gov/mission/hubble/science/science-highlights/exploring-the-birth-of-stars 13. https://www.reddit.com/media?url=https://i.redd.it/zbf8ej9iq1b51.jpg 14. https://ui.adsabs.harvard.edu/abs/1959ApJS....4..257S/abstract 15. https://apod.nasa.gov/apod/ap240602.html 16. https://www.astrobin.com/78pnzo/0/ 17. https://spaceplace.nasa.gov/light-year/ 18. https://spaceplace.nasa.gov/constellations/ 19. https://en.wikipedia.org/wiki/Aethiopia 20. https://www.history.com/topics/ancient-greece/greek-mythology 21. https://apod.nasa.gov/apod/calendar/allyears.html 22. https://apod.nasa.gov/apod/ap240609.html 23. https://apod.nasa.gov/apod/archivepix.html 24. https://apod.nasa.gov/apod/lib/apsubmit2015.html 25. https://apod.nasa.gov/apod/lib/aptree.html 26. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search 27. https://apod.nasa.gov/apod/calendar/allyears.html 28. https://apod.com/feed.rss 29. https://apod.nasa.gov/apod/lib/edlinks.html 30. https://apod.nasa.gov/apod/lib/about_apod.html 31. https://asterisk.apod.com/discuss_apod.php?date=240610 32. https://apod.nasa.gov/apod/ap240611.html 33. http://www.phy.mtu.edu/faculty/Nemiroff.html 34. http://www.phy.mtu.edu/ 35. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html 36. http://www.astro.umd.edu/ 37. https://apod.nasa.gov/apod/lib/about_apod.html#srapply 38. https://www.nasa.gov/about/highlights/HP_Privacy.html 39. https://www.nasa.gov/general/accessibility/ 40. https://www.nasa.gov/privacy/ 41. https://astrophysics.gsfc.nasa.gov/ 42. https://www.nasa.gov/ 43. https://www.nasa.gov/centers/goddard/ 44. https://science.nasa.gov/learners 45. http://www.mtu.edu/