However, a prominent dark ring appearing “a little to the north of the ‘St. Lawrence River’ region” — treating the North America Nebula as a map of its namesake — attracted his attention.
NASA's SOFIA detected the blue areas (20 microns) near the center of this composite image of the Swan Nebula, revealing gas as it’s heated by massive stars located at the center Astronomers combined ...
This close-up, visible-light view by NASA's Hubble Space Telescope reveals previously unseen details of the Ring Nebula. NASA’s James Webb Space Telescope has observed the well-known Ring Nebula in ...
Located about 5,000 light-years away, the Rosette Nebula is ephemeral when viewed through the telescope eyepiece, a ghostly ring on the very edge of detectability because of its low-surface ...
Here's what they revealed. The Southern Ring Nebula is a dying star that has imploded and is slowly expelling the layers of its atmosphere in successive waves, creating ever-expanding bubbles of ...
Over the years, it has managed to make several groundbreaking discoveries and it is currently part of studies and observation by various organisations.