Question

Select the correct answer from the list.(1 point)
As a star's size increases, its luminosity
. As a star's temperature , its luminosity increases

Answer 1

As a star's temperature increases, its luminosity increases.

Answer 2

as a star's temperature increases it's luminosity _.

Answer 3

increases.

Answer 4

Which describe the study of spectroscopy? Select the two correct answers.(1 point)
the number of galaxies
reflection of light by earth
interaction of light and atoms
emission and absorption of light

Answer 5

The correct answers are:

- Interaction of light and atoms
- Emission and absorption of light