Evolution of Triple Star System Planetary Nebula SuWt 2

Evolution of Triple Star System Planetary Nebula SuWt 2

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Fast Facts
News release ID: STScI-2008-21
Release Date: Jun 3, 2008
Image Use: Copyright
About this image

1. Triple star system consists of two white A stars in a tight orbit, and a more massive, hotter star.

2. More massive star evolves quickly and expands into a red giant.

3. The tight binary pair is engulfed by the red giant.

4. The binary pair "stirs" the red giant's shell, forming a thick disk.

5. Bipolar lobes form above and below the disk to make a planetary nebula. The star's core shrinks down to a white dwarf.


Tags
Hubble Telescope, Illustrations, Nebulae, Planetary Nebulae

Credits

Credit: NASA, ESA, and A. Feild (STScI)