Astronomy Picture of the Day ·
Symbiotic R Aquarii
The Astronomy Picture of the Day for June 29, 2017 is “Symbiotic R Aquarii,” an image. It is credited to Image Credit: X-ray – NASA,CXC,SAO , R. Montez et al.; Optical – Adam Block , Mt. Lemmon SkyCenter , U. Arizona. The original explanation runs about 173 words.
From the explanation
“A long recognized naked-eye variable star, R Aquarii is actually an interacting binary star system, two stars that seem to have a close, symbiotic relationship . About 710 light years away, it consists of a cool red giant star and hot, dense white dwarf star in mutual orbit around their common center of mass.”
— APOD editors, June 29, 2017
Read the full explanation on science.nasa.gov
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At a glance
- Date
- June 29, 2017
- Type
- Image
- Credit
- Credit: Image Credit: X-ray – NASA,CXC,SAO , R. Montez et al.; Optical – Adam Block , Mt. Lemmon SkyCenter , U. Arizona
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 173 words