By approximately how many magnitudes is the star Sirius fainter than the full moon in our sky? (See Figure 17-6.(in the text))

Name: By approximately how many magnitudes is the star Sirius fainter than the full moon in our sky? (See Figure 17-6.(in the text))
Brand: Quizplus
Rating: 4.9 (56 reviews)

Question

Quizplus · Accepted Answer

The full moon is about 11 magnitudes brighter than Sirius, as the magnitude scale is logarithmic, with each magnitude being about 2.5 times brighter than the next.

By Approximately How Many Magnitudes Is the Star Sirius Fainter