7 (6 points): In this question, you will use Starry Night to select stars at random, then tally the number of times you hit a star on the main sequence, red giant branch, etc. Background: Stars spend different fractions of their lifetime in various phases including the main sequence, red giant, white dwarf, and others. If you randomly choose a star and determine its H-R diagram phase, then you are more likely to find it in a phase where it spends a greater amount of time. For example, if a star spends 5 times longer on the main sequence than as a red giant, then you are 5 times more likely to catch it as a main-sequence star