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Almost all of them have binary stars.
Maybe the most famous "double star" is the second one from the end of Ursa Major's tail
(the Big Dipper's handle). The pair of stars there are both bright enough so that good
eyes can see both of them. The ancient Arabs called them Mizar and Alcor, the native
Americans called them the Horse and his Rider.
But this pair is not an authentic "binary star". They're just two unacquainted stars
at different distances from us that just happen to be in nearly the same direction.
A real 'binary star' is a pair of stars bound in gravitational orbit around each other.
What else can I help you with?
What constellation contains the North Star?
The constellation that contains the North Star is Ursa Minor, also known as the Little Dipper.
Which constellation does not contain a star?
Every constellation contains stars.
Is a galaxy a binary star?
No. A Galaxy contains billions of stars whereas a binary star contains only two stars.
What is a special feature in the triangulum constellation?
It's brightest star (Beta Trianguli) is a binary star.
What is the second brightest star in Hercules?
Zeta Herculis (Rutilicus) is a binary star system in the constellation Hercules.It is the second brightest star in the constellation with an apparent magnitude of +2.89
What constellation contains the star kornephoros?
This star is also known as Beta Herculis, so it is obviously in constellation Hercules.
Are there any binary stars or galaxies in the Aquarius constellation?
Zeta Aquarii is a double star. Aquarius also contains the globular clusters Messier 2, Messier 72 and Messier 73.
What is the brightest star in the constellation lynx?
The Brightest star in the Lynx constellation is the Alpha Lyncis, With a magnitude of 3.2
Which stars in the Sagittarius constellation is the brightest?
Epsilon Sagittarii, at magnitude 1.85, is the brightest star in the constellation.
Which constellation in the northern hemisphere contains the vega?
Vega is the brightest star in the constellation Lyra, the Harp.
What type of star is Gemini?
Gemini is a constellation, not a single star. The constellation contains 80 stars which appear in the Bayer/Flamsteed catalogues.
What constellation is alpha promixa in?
Alpha Centauri (binary system) and Proxima Centauri are in the southern constellation of Centaurus.They actually are a triple star system.
