Quiz #15
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School
Oakland Community College *
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Course
1580
Subject
Astronomy
Date
Apr 3, 2024
Type
Pages
9
Uploaded by AmbassadorOxideHerring40
Quiz Submissions - Quiz #15: Milky Way Galaxy and Starclusters
Jason Adriaens (username: adriaens.jason)
Attempt 1
Written: Apr 12, 2022 11:16 AM - Apr 12, 2022 11:45 AM
Submission View
Released: Apr 26, 2022 12:01 AM
Question 1
0.5 / 0.5 points
Open clusters typically contain Question 2
0.5 / 0.5 points
What doe the roman numerals indicate in the Trumpler Classification System?
Question 3
0.5 / 0.5 points
What do we call a celestial object that astronomers have some means of knowing its true
luminosity, so that we can use its apparent brightness to determine its distance?
neutron stars.
older stars that have moved off the main sequence.
white dwarfs.
stars either just getting ready to hit ZAMS or are on the main sequence.
Globular Cluster Type
Concentration of Stars
Richness of Cluster
Brightness of Stars
Apparent Magnitude
Question 4
0.5 / 0.5 points
Which of the following cluster types would a horizontal branch star most likely be a member of?
Question 5
0.5 / 0.5 points
Which of the following populations of stars would be the very first stars in the Universe that
would be formed only from hydrogen and helium?
Question 6
0.5 / 0.5 points
This is the light curve of what type of variable star?
Luminosity Detector
Distance Modulus
Standard Candle
Open Cluster
Globular Cluster
Association
Population I
Population II
Population III
Population IV
Question 7
0.5 / 0.5 points
What can the "knee" of a globular cluster on the H-R diagram help astronomers determine?
Question 8
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This type of galaxy is thought to be the remnants of collisions between galaxies:
Question 9
0.5 / 0.5 points
Which of the following statements is true according the most recent evidence for observations
of the Milky Way Galaxy?
Cepheid
Eruptive
RR Lyrae
Supernova
Size of the cluster.
Temperature of the cluster.
Magnitude of the cluster.
Age of the cluster
None of the Above
Seyfert Galaxy
Dwarf Galaxy
Globular Cluster
The Milky Way Galaxy has less stars than was previously determined.
The Milky Way Galaxy has been determined to have 5 arms.
The Milky Way Galaxy is flat and undulating.
The Milky Way Galaxy is corrugated and twisted.
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Question 10
0.5 / 0.5 points
Which portion of the disk component are you most likely to find younger stars in open clusters?
Question 11
0.5 / 0.5 points
Toward which constellation is the galactic center of the Milky Way found?
Question 12
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This is a large system of stars, star clusters, gas, and dust orbiting a common center of mass.
Question 13
0.5 / 0.5 points
These are point like sources that look visibly like stars but in the radio band shine as luminous as
a galaxy:
Question 14
0.5 / 0.5 points
Thick Disk
Halo
Thin Disk
None of the above.
Orion
Sagittarius
Sarah
Ursa Major
Variable Star
Galaxy
Black Hole
None of these
Globular Clusters
Open Clusters
Quasars
None of the above.
Which letter points to the position of the Sun?
Question 15
0.5 / 0.5 points
Which letter points to the Sgr A*?
C
B
A
D
B
Question 16
0.5 / 0.5 points
This is the light curve for what type of variable star?
Question 17
0.5 / 0.5 points
Which of the following cluster types is not a gravitationally bound system?
C
A
D
Eruptive
Semi-Regular
RR Lyrae
Mira
Open Cluster
Galaxy Globular Cluster
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Question 18
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Which of the following cluster types would a black hole most likely be found within?
Question 19
0.5 / 0.5 points
Which letter is a barred spiral galaxy?
Association
Open Cluster
Association
Globular Cluster
b
d
c
Question 20
0.5 / 0.5 points
Which letter is a spiral galaxy?
Attempt Score:
9.5 / 10 - A
Overall Grade
(highest attempt)
:
9.5 / 10 - A
Done
a
B
D
A
C
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