Problem 1
Outline the three main forms of evidence to support the big bang theory.
Problem 4
What is the cosmic background radiation? When and how did it form?
Problem 5
What is a light-year? How far is it in kilometers?
Problem 7
Briefly explain how a star is born.
Problem 10
What is the fundamental source of energy within the Sun? Is the Sun's chemical composition constant, or is it continuously changing?
Problem 11
How does energy travel from the core of the Sun to the surface? How does it travel from the surface of the Sun to Earth?
Problem 12
Compare and contrast the core of the Sun with its surface.
Problem 14
What is an H-R diagram? What conclusions do we draw from it?
Problem 15
What is a supernova? Do all stars eventually explode as supernovas? Explain,
Problem 16
What is a neutron star? Do all supernovas lead to the formation of neutron stars?
