The name and type of object and/or artist illustration for each of the images is listed below. The stage of stellar evolution is indicated by the bold type. The URL for each of the deep sky objects is listed. For more specific information concerning the sequencing or selection of the images please refer to the Teacher Guide and Answer Key.
- The Sun is a mid-sized main sequence star.
- Sirius B (dim object in the background) is a white dwarf in a binary system with
Sirius A (bright object in the foreground) - a 2 solar mass main sequence star.
- Artist illustration of a black hole.
- Protoplanetary disk in the constellation of Taurus.
- Artist Dana Berry illustration used for the red supergiant stage.
- The Cygnus Loop is the expanding debris from a supernova remnant.
- Massive blue stars; the Butterfly open cluster of young massive stars.
- Close-up of stellar nursery in the Trifid Nebula.
- The Sagittarius A black hole in the center of the Milky Way Galaxy.
NOTE: This image is included for a specific reason, to address a common misconception that all black holes are the end result of the collapse of a massive star. Sagittarius A is the massive black hole at the center of the Milky Way Galaxy. This type of black hole is not involved with stellar evolution. You can use this image as an assessment of student understanding of different types of black holes, or simply for discussion.
- NASA Artist illustration of young planetary system.
- Artist illustration of a magnetar - a neutron star with a super strong magnetic
field. [Dr. Robert Mallozzi/University of Alabama in Huntsville, and Marshall Space
- Artist illustration used to represent a Type Ia supernova explosion.
- Mira is a red giant star.
- The Ghost Nebula is a white dwarf with an expanding planetary nebula.
- a T-Tauri star system. These protostars have violently active surfaces and will soon
become main sequence stars.
- N132D is a Type II supernova remnant.
- 3C58 is a pulsar.
- Dana Berry illustration of a red giant and white dwarf in a binary system.
- The Omega stellar nursery (M17).
- The Tycho supernova Type Ia supernova remnant.
- Artist Ralf Schoofs' image of the red giant stage of a Sun-sized star.
- Antares is a red supergiant star.
- SN1987a is a Type II supernova remnant.
- The Eskimo nebula is a planetry nebula.
- TT Cygni is an unstable red giant star.
- W49B is a Type II supernova remnant from a massive star that collapsed into a
- Type Ia supernova light curve.
- Long period variable star Mira-type light curve, similar to all red giants evolving
through the Mira instability strip on the H-R diagram.
- A massive protostar dropping onto the main sequence of the H-R diagram.
- A one-solar mass main sequence star evolves to the red giant branch of the H-R
- SN1987a, a Type II supernova light curve.
- A sun-sized protostar dropping onto the main sequence of the H-R diagram.
- A Cepheid variable star light curve which is a stage that many lower high mass
stars evolve through (Cepheid instability strip on the H-R diagram) on their way to
the red supergiant branch of the H-R diagram.
- Massive stars evolve to the red supergiant giant branch of the H-R diagram from
the main sequence.