Astronomy Picture of the Day ·
Dark Matter Ring Modeled around Galaxy Cluster CL0024+17
The Astronomy Picture of the Day for May 16, 2007 is “Dark Matter Ring Modeled around Galaxy Cluster CL0024+17,” an image. It is credited to Credit: NASA , ESA , M. J. Jee & H. Ford et al. ( Johns Hopkins U. ). The original explanation runs about 230 words.
From the explanation
“How do we know that dark matter isn’t just normal matter exhibiting strange gravity? A new observation of gravitationally magnified faint galaxies far in the distance behind a massive cluster of galaxies is shedding new dark on the subject.”
— APOD editors, May 16, 2007
Read the full explanation on science.nasa.gov
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At a glance
- Date
- May 16, 2007
- Type
- Image
- Credit
- Credit: NASA , ESA , M. J. Jee & H. Ford et al. ( Johns Hopkins U. )
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 230 words