Question

What do the fingerprints from spectral lines tell us?
The color of the star
The elements found in a star
If a star has water on it

Answer 1

Answer:

Spectral lines are often used to identify atoms and molecules. These "fingerprints" can be compared to the previously collected "fingerprints" of atoms and molecules, and are thus used to identify the atomic and molecular components of stars and planets, which would otherwise be impossible.

Explanation:

please follow me