Magnitude means brightness. Absolute magnitude tells us how bright a star is. What is the brightness of a blue star in the upper left corner of your H-R Diagram? (Use the left side numbers to guide you.)

Question

(1 point)
Responses

-15 to -20
-15 to -20

0 to -5
0 to -5

20 to 15
20 to 15

10 to 5
10 to 5

Answer 1

In the Hertzsprung-Russell (H-R) Diagram, blue stars are typically found on the upper left corner and are very hot and luminous. The absolute magnitude of these blue stars generally falls in the range of -15 to -20. Therefore, the correct response is:

-15 to -20