The bubble nebula. Follow us to explore more with us @the_astrophysics_forum . NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575. Tighten your seatbelts and get ready to explore endless universe 🚀 Make sure you follow us @the_astrophysics_forum To stay on board 👨🚀 . . . . . . . #nebula #bubblenebula #ngc7635 #sao20575 #astrophysics #astronomy #science #nasa #universe #space #physics #cosmos #earth #astrophotography #galaxy #blackhole #spacex #planets #solarsystem #moon #telescope #milkyway https://www.instagram.com/p/CC3nMyEjzDk/?igshid=1k38l5tg68hkh