standarditähtien
Standarditähtien is a Finnish term that translates to "standard stars" in English. These are celestial objects whose physical properties, such as brightness or spectral type, are well-known and accurately measured. Astronomers use standard stars as reference points for various measurements and calibrations within astronomy.
One of the primary uses of standard stars is in photometry, the measurement of the brightness of
Spectral standard stars are used to classify the spectra of other stars. These stars have been meticulously
The concept of standard stars is fundamental to many areas of astronomical research, including stellar evolution,