binary star system

The double star (and not binary) Albireo, or Beta Cygni, the color difference obvious. Credit: Tom Wildoner
Just how many stars *is* Albireo, and is one of them a black hole?
Phil Plait
May 19, 2021
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The Sun is surrounded by millions of binary stars!
Phil Plait
Mar 2, 2021
Hubble image of one of the closest binary stars to the Sun: Sirius A (center) and its white dwarf companion B (to the lower left); A is roughly 10,000 times brighter.
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The weirdest binary: Planet and not-a-star barely orbit each other
Phil Plait
Jan 28, 2021
A rather fanciful piece of art showing the brown dwarf Oph 98A (upper left) orbited by a planetary-mass companion. Separated by 30 billion km, they would each appear as dots from the other. Credit: Thibaut Roger / University of Bern
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Was the Sun once part of a binary star system?
Phil Plait
Aug 25, 2020
Artwork depicting a second sun, a binary companion to the Sun that may have existed billions of years ago. Credit: M. Weiss
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A rare find: An eclipsing binary brown dwarf in a triple brown dwarf system
Phil Plait
Mar 10, 2020
Artwork depicting a binary brown dwarf system. Credit: Janella Williams, Penn State University
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ALMA sees the twisted birth of a binary star system
Phil Plait
Oct 29, 2019
The two stars of the binary system [BHB2007] 11 are in the process of forming, drawing material from the disk surrounding both via a pair of filaments, wound up due to the motion of the stars around each other. Credit: ALMA (ESO/NAOJ/NRAO), Alves et al.
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For the first time, astronomers see the birth of a neutron star binary system
Phil Plait
Apr 15, 2019
Artwork showing the moment of the neutron star collision, with beams of energy shooting out and gravitational waves shaking ripples in the space-time continuum. Credit: NSF/LIGO/Sonoma State University/A. Simonnet
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The star HD 4113 is way, *way* more than meets the eye
Phil Plait
Jan 24, 2018
HD 4113 is the faint star dead center in the image. You might think it’s not much to look at… but when you look closely, it contains multitudes. Literally. Credit: Wikisky / SETI
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Scientists determine two-sun planets like Tatooine are way more common than we'd originally thought
Trent Moore
Sep 17, 2014
tatooine-concept-mcquarrie.jpg
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