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Multi-word Results
| binary star |
two stars orbiting around a common center of gravity and often appearing as one to the unaided sight or through a telescope; double star. |
| binary system |
a numbering system with a base of two. In binary numbers, any number can be expressed by 1, 0, or a combination of these. The number five is written as "101" in the binary system. |
| eclipsing binary |
two stars that orbit a common center of gravity and periodically move in front of each other, causing a fluctuating magnitude. |
| visual binary |
a binary star composed of two parts that can be seen through an ordinary telescope, or, though rarely, by the naked eye. |
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