The Great Nebula in Orion . ... Credit Copyright: NASA, Hubble Space Telescope Explanation: The Great Nebula in Orion, M42, can be found on the night sky just below and to the left of the easily identifiable belt of three stars in the popular constellation Orion. ... Some stars we can see here partially obscured by the nebula, are only about 100,000 years old - just babies compared to the 5 billion (5,000,000,000) years of our Sun. ... NASA Web Site Statements, Warnings, and Disclaimers . ...