Chapter Questions
If one star is 6.3 times brighter than another star, how many magnitudes brighter is it?
If one star is 40 times brighter than another star, how many magnitudes brighter is it?
If two stars differ by 7 magnitudes, what is their intensity ratio?
If two stars differ by 8.6 magnitudes, what is their intensity ratio?
If star A is third magnitude and star B is fifth magnitude, which is brighter and by what factor?
If star A is magnitude 4 and star $B$ is magnitude $9.6,$ which is brighter and by what factor?
By what factor is the sun brighter than the full moon? (Hint: See Figure $2-6 .$
What is the angular distance from the north celestial pole to the summer solstice? To the winter solstice?
As seen from your latitude, what is the angle between the north celestial pole and the northern horizon? Between the southern horizon and the noon sun at the summer solstice?