Noun
a positional system of numeration that uses binary digits and a radix of two
Source: WordNetA blue straggler is formed from the merger of two stars, possibly as a result of an encounter with a binary system. Source: Internet
A more sophisticated calculation factors in a star's loss of mass over time. citation Spectroscopic parallax Spectroscopic parallax is another commonly used method for determining the distance to a binary system. Source: Internet
A planetary nebula that might have a binary system at its center. Source: Internet
A more recent hypothesis suggests that, before its capture, Triton was part of a binary system. Source: Internet
BL Hydri is another close binary system composed of a low mass star and a strongly magnetic white dwarf. Source: Internet
Delta is a spectroscopic binary system composed of two yellow main sequence stars of similar dimensions to the Sun that lies 35 light-years from Earth. Source: Internet