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Explanation: When massive stars explode they create large radioactive blast clouds which expand into interstellar space. As the radioactive elements decay, they produce gamma-rays. Possible locations of these stellar explosions known as supernovae, are indicated by the bright clumps in this map of the central regions of our Milky Way Galaxy. The map was made by a telescope onboard NASA's orbiting Compton Gamma Ray Observatory using detectors sensitive to gamma rays from the decay of radioactive aluminum.
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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: Milky Way
Publications with words: Milky Way
See also:
- APOD: 2025 May 20 B Milky Way over Maunakea
- APOD: 2025 May 13 B Gaia Reconstructs a Top View of our Galaxy
- APOD: 2025 May 12 B Gaia Reconstructs a Side View of our Galaxy
- Galaxies in Space
- APOD: 2025 February 9 B Milky Way over the Australian Pinnacles
- APOD: 2024 November 24 B Journey to the Center of the Galaxy
- APOD: 2024 November 5 B Milky Way over Easter Island