Astronomy Picture of the Day ·
Sonified: The Matter of the Bullet Cluster
The Astronomy Picture of the Day for December 16, 2020 is “Sonified: The Matter of the Bullet Cluster,” a video. It is credited to Image Credit: X-ray: NASA/CXC/SAO; Optical: NASA/STScI, Magellan/U.Arizona; Lensing Map: NASA/STScI, ESO WFI, Magellan/U.Arizona; Sonification: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida). The original explanation runs about 194 words.
Watch the video on the original page From the explanation
“What’s the matter with the Bullet Cluster? This massive cluster of galaxies ( 1E 0657-558 ) creates gravitational lens distortions of background galaxies in a way that has been interpreted as strong evidence for the leading theory: that dark matter exists within.”
— APOD editors, December 16, 2020
Read the full explanation on science.nasa.gov
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At a glance
- Date
- December 16, 2020
- Type
- Video
- Credit
- Credit: Image Credit: X-ray: NASA/CXC/SAO; Optical: NASA/STScI, Magellan/U.Arizona; Lensing Map: NASA/STScI, ESO WFI, Magellan/U.Arizona; Sonification: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 194 words