Astronomers measure star brightness using the magnitude scale. All the really bright stars we see are magnitude 1 or brighter. Stars in the Big Dipper are around magnitude 2 as is the North Star, ...
ABSTRACT Time‐resolved Hα spectra of the Algol‐type binary RZ Cas are obtained in the primary minimum. The observed spectral feature at the mid–primary minimum does not coincide with that of the ...
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