מצפה הכוכבים ברקת - קוד מצפה רשמי Bareket observatory IAU B35 English

Emission line

Term תיאור
Emission line

A bright line in a spectrum caused by emission of light. Each chemical element emits and absorbs radiated energy at specific wavelengths. The collection of emission lines in a spectrum corresponds to the chemical elements contained in a celestial object.