Question

Why do you think the size of a white dwarft affects its visual luminosity?

Answer 1

White Dwarfs are extremely difficult to detect as they are quite small compared to a Star. If the area is small the Luminosity is low, which would make it harder to see the white dwarfs due to the low amount of its luminosity.

Step-by-step explanation:

Answer 2

The bigger the size the more easier to see from a distance and the smaller the harder to see from a distance