FINAL EXAM INFORMATION

Astro 103: The Evolving Universe: Stars, Galaxies, and Cosmology

WHAT'S THE FINAL EXAM GOING TO BE?

What it's worth:

35% of your grade

When:

Lecture 1: Wednesday, December 23 2015, 12:25 PM to 2:25 PM

Lecture 2: Friday, December 18 2015, 7:45 AM to 9:45 AM

Where:

Lecture 1: 272 BASCOM

Lecture 2: 2103 CHAMBERLIN

How Long:

2 hours - plenty of time

Format:

multiple choice questions, similar to mid-terms

70 questions total

50 questions on last section (III) of course
(Cosmology)

20 questions cumulative, i.e. on sections I-II

Cumulative questions will be based on questions given in class that have appeared on the mid-term exams. However, in modifying these questions, I will draw broadly on your knowledge from this coure.

An example

Original question from class

Q9.2 The Sun will live for 10 Gyr. How long will a 2 solar mass star live if it is 16 times brighter?

(a) twice as long as the Sun

(b) twice as short as the Sun

(c) the same time

(d) indefinitely

(e) 8 times shorter than the sun

Question on Final Exam

QF.x Given what you know about the lifetime of the Sun on the Main Sequence, and the age of the Universe, what stars would we expect to still find today (on the Main Sequence) that formed first after the Big Bang?

(b) low-mass stars, up to twice the sun's mass

(c) only massive stars that have become white dwarfs

(a) low-mass stars, less massive than the sun

(d) all stars, if we can find them

(e) no stars will be left from this early epoch