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Wednesday, December 14, 2011

Astronomy

1.

QM11-Q1

 
Most galaxies are spirals.
Student ResponseValueCorrect Answer
True0%False
Score:0/5
 

2.

QM11-Q2

 
Type Sc are the dustiest of the galaxies.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

3.

QM11-Q3

 
M-31 in Andromeda is a slightly bigger version of our own Milky Way.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

4.

QM11-Q4

 
A spherical galaxy, like M87, which looks like a monster globular cluster, is type
 Student ResponseValueCorrect AnswerFeedback
Student Response S00%  
ES  
E0Student Response   
ES1  
0V  
Score:0/5
 

5.

QM11-Q5

 
Which type of galaxy has a stellar disk, but without gas and dust?
 Student ResponseValueCorrect AnswerFeedback
E0  
Student Response E70%  
Irr I  
S0Student Response   
SE  
Score:0/5
 

6.

QM11-Q6

 
An intermediately wound barred spiral galaxy would, in Hubble's system, be:
 Student ResponseValueCorrect AnswerFeedback
BS2.  
BSE.5.  
SBb.Student Response   
S2B.  
Student Response SIrr.0%  
Score:0/5
 

7.

QM11-Q7

 
The Large and Small Magellanic Clouds fall into Hubble's class:
 Student ResponseValueCorrect AnswerFeedback
SBc.  
Pec.  
E6.  
Student Response Irr I.100%Student Response   
E3.  
Score:5/5
 

8.

QM11-Q8

 
If the red shift is an accurate indication of the distance to that galaxy, then this is considered a cosmological redshift.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

9.

QM11-Q9

 
Quasars can emit as much as thousands of times as much energy as normal galaxies.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

10.

QM11-Q10

 
Orientation counts; if looking down the jets of a active core, we see a blazar.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

11.

QM11-Q11

 
The greatest variation in size, mass, and luminosity occurs in
 Student ResponseValueCorrect AnswerFeedback
globular clusters.  
Student Response elliptical galaxies.100%Student Response   
spiral and barred spiral galaxies.  
type I vs type II irregulars.  
Seyfert galaxies.  
Score:5/5
 

12.

QM11-Q12

 
Which of these would be made up of only population II stars?
 Student ResponseValueCorrect AnswerFeedback
Student Response elliptical galaxies100%Student Response   
Irr type I  
Irr type II  
barred spirals  
Seyfert spirals  
Score:5/5
 

13.

QM11-Q13

 
Most of the galaxies in the Local Group are
 Student ResponseValueCorrect AnswerFeedback
big spirals like our Galaxy and M31.  
small spirals like M33 and the LMC.  
Student Response small irregulars like the Magellanic Clouds.0%  
active galaxies like Centaurus A.  
small ellipticals like the companions to M31 in Andromeda.Student Response   
Score:0/5
 

14.

QM11-Q14

 
The expansion of the universe means that stars in our Milky Way Galaxy are getting increasingly farther apart.
Student ResponseValueCorrect Answer
True0%False
Score:0/5
 

15.

QM11-Q15

 
The Tully-Fisher relation exists between the galaxy's luminosity and its
 Student ResponseValueCorrect AnswerFeedback
color.  
age.  
Student Response rotation.100%Student Response   
mass.  
size.  
Score:5/5
 

16.

QM11-Q16

 
What is the nearest huge cluster of thousands of galaxies, to which the Local Group may belong?
 Student ResponseValueCorrect AnswerFeedback
The Great Wall  
Coma Cluster  
Student Response Virgo Cluster100%Student Response   
Corona Borealis Cluster  
Sagittarius Cluster  
Score:5/5
 

17.

QM11-Q17

 
Which of the following paraphrases Hubble Law?
 Student ResponseValueCorrect AnswerFeedback
The faster the galaxy spins, the more massive and luminous it is.  
Student Response The greater the distance to a galaxy, the greater its redshift100%Student Response   
The greater the distance to a galaxy, the fainter it is.  
The more distant a galaxy is, the younger it appears.  
The older the galaxy appears to us, the more luminous it is.  
Score:5/5
 

18.

QM11-Q18

 
The first clue to the significance of quasars came from the discovery that some of these "stars" were much stronger radio sources than any normal star.
Student ResponseValueCorrect Answer
True100%True
Score:5/5
 

19.

QM11-Q19

 
According to the Hubble Law, a galaxy with a velocity of 25,000 km/s will be
hubble.jpg
 Student ResponseValueCorrect AnswerFeedback
100 million pcs away.  
400 million pcs away.Student Response   
700 million pcs away.  
Student Response 1000 million pcs away.0%  
less than 1 million pcs away.  
Score:0/5
 

20.

QM11-Q20

 
While examining the spectrum of a galaxy you find all the hydrogen lines are shifted to longer wavelengths. This galaxy is
 Student ResponseValueCorrect AnswerFeedback
Student Response moving away from us.100%Student Response   
moving towards us.  
expanding explosively.  
blue shifted.  
not forming new stars.  
Score:5/5

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