NGC 7635: The Bubble Nebula

What created this gigantic house bubble? Blown by the wind from a superstar, this absorbing, head-esteem apparition is cataloged as NGC 7635, but known simply as the Bubble Nebula. The featured striking appreciate makes use of a lengthy exposure to inform the intricate facts of this cosmic bubble and its atmosphere. Even supposing it appears smooth, the 10 light-year diameter bubble presents evidence of violent processes at work. Considered right here above and acceptable of the Bubble’s center, a shiny scorching superstar is embedded within the nebula’s reflecting mud. A fierce stellar wind and intense radiation from the superstar, which likely has a mass 10 to 20 conditions that of the Solar, has blasted out the structure of lovely gas against denser field materials in a surrounding molecular cloud. The absorbing Bubble Nebula lies a mere 11,000 light-years away against the conceited constellation Cassiopeia. Your Sky Surprise: What image did APOD characteristic to your birthday? (post 1995)