Return to the Sea and Sky Home Page Return to Home Page Explore the Seas and Oceans Explore the Universe and Solar System Return to the Sky Menu
Return to the Sea and Sky Home Page
About Sea and Sky What's New at Sea and Sky Frequently Asked Questions
Sea and Sky Awards Sign Our Guest Book Search Sea and Sky Contact Sea and Sky Sea and Sky's Privacy Policy
Return to the Sky Menu
Return to the Sea and Sky Home Page
   
Hubble image of the Ring Nebula, a planetary nebula in the constellation Lyra
NASA and The Hubble Heritage Team (STScI / AURA)
  Image 3-12
Ring Nebula in Lyra
The colorful Ring Nebula is one of the most famous planetary nebulae. It is a giant shell of gas surrounding a central star. Planetary nebulae get their name from their circular shape, which sometimes resembles a planet.

Return to the Sky Gallery | Return to the Sky