California Institute of Technology
Spitzer Science Center: Massive Star Cluster
Under the heading, "A Hidden, Massive Star Cluster Awash with Red Supergiants" this site examines specific details of an infrared image displaying 14 massive stars close to supernova. A detailed text analysis of the picture is also...
California Institute of Technology
Spitzer Science Center: Double Helix Nebula
The Double Helix Nebula, captured in this space telescope image, features a variety of red giants and red supergiants. In addition, a detailed textual overview explains various specifics of the picture.