WebAssign

Tuesday, February 9, 2010 11:31 EST

Logged in as demo@demo

Fix - Astronomy:Journey to the Cosmic Frontier 3/e (Homework)

James Finch

Astronomy, section 1, Fall 2010

Instructor: Dr. Friendly

Current Score : 0 / 8

Due : Friday, November 19, 2010 08:30 EST

About this Assignment

Question
Points
1 2 3 4 5
0/2 0/1 0/1 0/1 0/3
Total
0/8

Description

Here are some textbook questions from Astronomy: Journey to the Cosmic Frontier by John D. Fix published by McGraw-Hill. Click here for a list of all of the questions coded in WebAssign.


Instructions

This demo assignment allows many submissions and makes the answer key available after the first submission so you can see the correct answers. (Typically, the answer key is posted after the due date!)



1. –/2 points Notes Question: Fix3 1.FB.01.
Question part
Points
Submissions
1 2
0/1 0/1
0/50 0/50
Total
0/2
 
Using Figure 1.7, estimate the longitude and latitude of the Riverside Observatory. Give your answers in degrees.
longitude
Enter a number.
°
latitude
Enter a number.
°


Figure 1.7



2. –/1 points Notes Question: Fix3 6.FB.03.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Use Figure 6.28 to estimate the percentage of radio radiation at a wavelength of 1 cm that penetrates the Earth's atmosphere to reach the ground.
Enter a number.
%


Figure 6.28



3. –/1 points Notes Question: Fix3 12.FB.01.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Use Figure 12.1 to find how fast Voyager 2 was moving just before it encountered Neptune.
Enter a number.
km/s


Figure 12.1



4. –/1 points Notes Question: Fix3 24.FB.08.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
If the general picture of active galaxies presented in Figure 24.23 is correct, what would we call a high-luminosity active galaxy that we see at a small viewing angle?
Answer is not case sensitive.


Figure 24.23



5. –/3 points Notes Question: Fix3 26.FB.01.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
Total
0/3
 
Use Figure 26.15 to find the two most abundant particles or nuclei in the universe when it was 10 seconds old. (Select all that apply.)



What about when it was 1000 seconds old? (Select all that apply.)



What happened between these two times to produce a change in the makeup of the universe?


Figure 26.15