Spectral Lines & Patterns Flashcards
1
Q
Dark or bright lines in a star’s spectrum, created when light is absorbed or emitted by atoms.
A
Spectral Lines
2
Q
Formation of Spectral Lines
A
Each element absorbs/emits light at specific wavelengths, producing unique spectral lines (like a fingerprint).
3
Q
Absorption lines
A
Dark lines where light is absorbed.
4
Q
Emission lines
A
Bright lines where light is emitted.
5
Q
Uses of Spectral Lines
A
Identify elements in stars and galaxies.
6
Q
Determining Star Properties
A
Determine star temperature, composition, and motion (via Doppler shift).
7
Q
Patterns in Spectral Lines
A
Different stars and celestial objects have distinct patterns based on their elements and conditions.
