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Explanation: New stars are born from the remnants of dead stars. The gaseous remnant of the gravitational collapse and subsequent death of a very massive star in our Milky Way created the G296.5+10.0 supernova remnant, of which the featured Mermaid Nebula is part. Also known as the Betta Fish Nebula, the Mermaid Nebula makes up part of an unusual subclass of supernova remnants that are two-sided and nearly circular. Originally discovered in X-rays, the filamentary nebula is a frequently studied source also in radio and gamma-ray light. The blue color visible here originates from doubly ionized oxygen (OIII), while the deep red is emitted by hydrogen gas. The nebula's mermaid-like shape has proven to be useful for measurements of the interstellar magnetic field.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: supernova remnant
Publications with words: supernova remnant
See also:
- APOD: 2024 April 16 Á Filaments of the Vela Supernova Remnant
- APOD: 2024 April 3 Á Unusual Nebula Pa 30
- APOD: 2024 March 25 Á Sonified: The Jellyfish Nebula Supernova Remnant
- APOD: 2024 February 27 Á Supernova Remnant Simeis 147
- The Pencil Nebula Supernova Shock Wave
- APOD: 2023 December 26 Á IC 443: The Jellyfish Nebula
- Supernova Remnant Cassiopeia A