what does an astronomer know about a star if they know its classification in the morgan - keenan spectral…
what does an astronomer know about a star if they know its classification in the morgan - keenan spectral classification system?\na method of classifying stars by their temperatures and compositions\na method of classifying stars by their distance from the sun\na method of classifying stars by their age\na method of classifying stars by their age and distance from earth
Answer
Brief Explanations:
The Morgan - Keenan Spectral Classification system categorizes stars based on their surface temperatures and compositions. It uses spectral lines in a star's light to determine these characteristics.
Answer:
a method of classifying stars by their temperatures and compositions