The Bubble Nebula - NGC7635 in SHO
Blown by the wind of a massive star in the middle this interestelar object have the shape of what is af a Bubble hence the name. Also known as NGC 7635. This bubble diameter is around 7 light years and it shows the violent proceses that are happening on the inside. The star inside that is a type O star which is 100,000 more luminous than our son and about 45 times more massive than our sun. You can see a stream of hot radioactive gas puncturing the bubble. The buckle nebulae is 7100 light years away from home. This is an SHO composite (Hubble Pallette. See related images.
The closer look
Zooming to get closer and appreciate all of te features.