The science of stellar spectroscopy was pioneered by Joseph von Fraunhofer and Angelo Secchi. By evaluating the spectra of stars like Sirius for the Sun, they discovered variances from the power and range of their absorption traces—the dark lines in stellar spectra attributable to the ambiance's absorption of specific frequencies. https://judosport58913.fireblogz.com/68997065/details-fiction-and-hotels-in-pattaya