One star has a temperature of 10,000 K and another star has a temperature of 5,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?
a. 16 times
b. 2 times
c. 1 1016 times
d. 625 times
e. 25 times
Question 2
Choose the correct word(s) that make the statement true. The stars appear to rise and set from east to west, but really the sky is not moving and Earth is rotating from (north, south, east, west) to (north, south, east, west).
What will be an ideal response?