Astronomy Picture of the Day ·
Cosmic Collision Forges Galactic Ring
The Astronomy Picture of the Day for September 17, 2018 is “Cosmic Collision Forges Galactic Ring,” an image. It is credited to Image Credit: X-ray: Chandra ( NASA , CXC , INAF , A. Wolter et al. ); Optical: Hubble ( NASA , STScI ). The original explanation runs about 188 words.
From the explanation
“How could a galaxy become shaped like a ring? The rim of the blue galaxy pictured on the right is an immense ring-like structure 150,000 light years in diameter composed of newly formed, extremely bright, massive stars.”
— APOD editors, September 17, 2018
Read the full explanation on science.nasa.gov
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At a glance
- Date
- September 17, 2018
- Type
- Image
- Credit
- Credit: Image Credit: X-ray: Chandra ( NASA , CXC , INAF , A. Wolter et al. ); Optical: Hubble ( NASA , STScI )
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 188 words