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Binary stars and double stars are beautiful targets to observe. Discover the science of binaries, and why they're not always what they seem.
Other articles where double star is discussed: binary star: …binary stars are sometimes called double stars, the latter refers to any two stars that are close together in the sky and thus includes true binaries as well as stars that look close together when viewed from Earth but which are actually quite far apart.
Epsilon Lyrae. ε (circled) in the constellation Lyra. Epsilon Lyrae (ε Lyr, ε Lyrae), also known as the Double Double, [8] is a multiple star system of at least five stars approximately 162 light-years away in the constellation of Lyra .
To the naked-eye most people can only see one star, but through binoculars or your finder scope, you can see it is a double star, separation 210". But then in a telescope are relatively high power you can see that each of these stars in turn is double. ε 1 mags 5.1 and 6.0, sep 2.4". ε 2 mags 5.1 and 5.4, sep 2.2".
In Double Star, a 1956 Robert Heinlein novella, Lawrence Smith (aka Lorenzo Smythe or "Lorenzo the Great"), an out-of-work actor, accepts a job to impersonate a man for a few days, without, perhaps, asking as many questions about the job as he should have. He promptly finds himself whisked off to the planet Mars, standing in for one of the most ...
Jun 4, 2014 · Every star labeled on this map of Hercules, Boötes, and Ursa Major is a double star, worth exploring with a small telescope.Some, like Mizar in the Dipper's handle, can be split with the naked eye.
Mar 16, 2022 · Albireo is a colorful double star. The diagram below shows Albireo, a yellow and blue pair, and a much wider pair than Sirius. In contrast to Sirius A and Sirius B, no revolving motion around each ...
