Thank you!! No diagram provided I assume it is just general knowledge to those w

Question

Thank you!! No diagram provided I assume it is just general knowledge to those who know it.

23. A white dwarf is located in the lower left of the H-R diagram. From this information alone, you can determine that
a. it is very massive.
b. it is very dense.
c. it is very hot.
d. it is very bright.

24. A red giant is located in the upper right of the H-R diagram. From this information alone, you can determine that
a. it is very massive.
b. it is very dense.
c. it is very hot.
d. it is very luminous.

Explanation / Answer

a) c- it is very hot.

We know that in the left side the temperature is more and it is decreasing while going to the right. So we can say that at lower left the temperature is more

b) d- It is very luminous

At upper right the luminiscity is more. In the Y axis of HR graph it is luminiscity and it increases as going to the upper side.So Red giants which is at upper right is more luminous

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