SB2 stands for various terms. Discover the full forms, meanings, and possible interpretations of SB2 across different fields and industries.
A binary system detected by Doppler shifts in its spectral lines is called a spectroscopic binary. Spectroscopic binaries are systems in which the stars are so close together that they appear as a single star even in a telescope.
AstronomyCelestial ObjectScienceScientific & EducationalLast updated: