What is the black hole? Why it has been named as black hole? (6 points)

What is the difference between apparent brightness and luminosity? (5 points)

Describe the nebular theory. (3 points)

What does the color of a star tell you about the star- List 2 items? (4 points) Which one has the higher surface temperature: a red star or a white star? (2 points)

a) Why doesn’t the Moon have an atmosphere? (3 points) b) What is the lunar eclipse? (3 points)

Based on the Information for Questions 25-30 (Parts 1 and 2), what is the amount in Cell 2: Consolidated impairment loss?

Based on the Information for Questions 25-30 (Parts 1 and 2), what is the amount in Cell 6: Controlling Interest in net income?

Determine the mixed strategy Nash equilibria in the reduced game. 

Determine the pure strategy Nash equilibria in the reduced game.

The following description will be used in questions 2a through 2e and in bonus II.   A firm produces x according to the cost function c(x)=20x+25. The demand for x is represented by the inverse price demand curve p=A-bx, where p is the price faced by consumers and A and b are positive numbers.