Review Sheet for Final Exam
A. W. Stetz
March 14, 2007
The nal exam will be Wednesday, March 21, 2:00 PM in Weniger 377. There
will be some questions of the sort in which you are asked to describe, dene, or
explain things as well as some calculations to d
Cosmology Problem Set #1
A. W. Stetz
January 26, 2007
The following exercises are due Friday, February 2.
1. An observer on earth watches a spaceship traveling with a speed of = 0.9.
He uses a telescope to watch a clock ticking on board the ship. How
fast
Cosmology Problem Set #2
A. W. Stetz
February 2, 2007
The following exercises are due Friday, February 9.
1. The metric of the plane in polar coordinates r and is
ds2 = dr2 + r2 d2
A curve between two points can be described parametrically by giving r
and
Cosmology Problem Set #5
A. W. Stetz
March 5, 2007
The following exercises are due Monday, March 12.
1. In class I explained how to measure the mass in galaxies and galaxy clusters using the virial theorem. The basic formula is
M=
v 2 rh
,
G
where rh is t
Cosmology Problem Set #5
A. W. Stetz
March 5, 2007
The following exercises are due Monday, March 12.
1. In class I explained how to measure the mass in galaxies and galaxy clusters using the virial theorem. The basic formula is
M=
v 2 rh
,
G
where rh is t
Cosmology Problem Set #2
A. W. Stetz
February 2, 2007
The following exercises are due Friday, February 9.
1. The metric of the plane in polar coordinates r and is
ds2 = dr2 + r2 d2
A curve between two points can be described parametrically by giving r
and
Cosmology Problem Set #1
A. W. Stetz
January 26, 2007
The following exercises are due Friday, February 2.
1. An observer on earth watches a spaceship traveling with a speed of = 0.9.
He uses a telescope to watch a clock ticking on board the ship. How
fast
Review Sheet for the Midterm Exam
A. W. Stetz
February 24, 2007
The midterm exam will be Friday, March 2. There will be some questions
of the sort in which you are asked to describe, dene, or explain things as well
as some calculations to do. This sheet i
Final Exam Solutions Grad and Undergrad
PH 405/505, Cosmology
March 22, 2007
1. Answer the following questions in terms of the currently accepted picture
of the universe. (10 points each)
(a) Is the universe nite or innite? How do you know?
The universe i
Final Exam Solutions Grad and Undergrad
PH 405/505, Cosmology
March 22, 2007
1. Answer the following questions in terms of the currently accepted picture
of the universe. (10 points each)
(a) Is the universe nite or innite? How do you know?
The universe i