a star is observed to have a temperature of 3000 k and a luminosity of 10^5. what is the color of the star…
a star is observed to have a temperature of 3000 k and a luminosity of 10^5. what is the color of the star? what group does the star belong to?
Answer
Explanation:
Step1: Recall star - color and temperature relation
Stars with lower temperatures are red. A star with a temperature of 3000 K is relatively cool.
Step2: Locate on the Hertzsprung - Russell diagram
On the Hertzsprung - Russell diagram, a star with a temperature of 3000 K and luminosity of $10^{3}$ lies in the red - giant region.
Answer:
What is the color of the star? Red What group does the star belong to? Red giants