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The Final Exit

Credit: ESA/Hubble & NASA; Acknowledgement: Serge Meunie
Wednesday, Oct. 7, 2015: This planetary nebula PK 329-02.2 (AKA Menzel 2, or Mz 2) lies in the constellation of Norma in the southern sky. Planetary nebulas…Read More »

arise when sun-like stars reach the ends of their lives, and blow their outer layers of gas into space before the final stage of becoming a white dwarf. Menzel 2 shows a winding blue cloud with two stars at its exact center. Astronomers determined that the star at upper right is the central star of the nebula, and the other star to the lower left is probably the central star’s true physical companion. Image released Oct. 5, 2015.

— Tom Chao   Less «
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