What characteristics distinguish the absorption lines observed in a K star's light spectrum?

Answer

Strong lines of ionized calcium and neutral metals

The absorption lines observed in a K star's light spectrum are characterized by strong lines of ionized calcium, neutral metals, and some molecular bands, distinguishing them from G-type stars.

What characteristics distinguish the absorption lines observed in a K star's light spectrum?

#Videos

Why are K-type stars considered cooler and orange? - YouTube

sunastronomytemperaturestarsK stars