What information can be determined by observing dark lines within the spectrum of a given star?
Athe elements present in the star's atmosphere
Bthe elements present in the star's inner core
Cwhether planets orbit the star
Dthe approximate size of the star
Athe elements present in the star's atmosphere
Bthe elements present in the star's inner core
Cwhether planets orbit the star
Dthe approximate size of the star