Astronomy Picture of the Day ·
Four Quasar Images Surround a Galaxy Lens
The Astronomy Picture of the Day for February 27, 2017 is “Four Quasar Images Surround a Galaxy Lens,” an image. It is credited to Image Credit: ESA/Hubble , NASA , Sherry Suyu et al.. The original explanation runs about 169 words.
From the explanation
“An odd thing about the group of lights near the center is that four of them are the same distant quasar . This is because the foreground galaxy — in the center of the quasar images and the featured image — is acting like a choppy gravitational lens .”
— APOD editors, February 27, 2017
Read the full explanation on science.nasa.gov
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At a glance
- Date
- February 27, 2017
- Type
- Image
- Credit
- Credit: Image Credit: ESA/Hubble , NASA , Sherry Suyu et al.
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 169 words