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3.06 Unit 3 Test 25-26

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Last updated about 2 hours ago
29 questions
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Question 1
1.

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Question 19
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Question 20
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Question 21
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Question 22
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Question 23
23.
Where are each type of galaxy found on the Hubble Tuning Fork diagram?
Other Answer Choices:
Barred spiral
Elliptical
Regular spiral
Question 24
24.

Question 25
25.

Question 26
26.

Question 27
27.

Question 28
28.

Question 29
29.

What parts of this unit did you enjoy?

Whats parts of this unit could be improved?

Match the galaxy to its description.
Irregular galaxy
Arms extending from central bulge
Spiral galaxy
Oval shaped and relatively featureless
Elliptical galaxy
No defined shape
Which type of galaxy contains older, reddish stars?
Elliptical
Spiral
Lenticular
Irregular
The diagram below represents a side view of the Milky Way Galaxy.

At approximately which position is Earth's solar system located?
A
B
C
D
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?
Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What type of galaxy is this?
Spiral
Elliptical
Irregular
What type of galaxy is this?

Spiral
Elliptical
Irregular
What is the Local Group?
A cluster of galaxies that include the Milky Way
The cluster of stars in the Milky Way's center
The stars nearest to the Sun
The galaxy likely to merge with the Milky Way in the next 5 billion years
What is typically found in a galaxy's galactic center?
Supernova
Black hole
Nebula
Neutron star
Galaxies are static (never change over time).
True
False
How are galaxies classified?
Shape
Age
Size
Color
What will happen when the Andromeda galaxy and the Milky Way galaxy collide sometime in the next four billion years?
The Milky Way will engulf the other galaxy.
The other galaxy will engulf the Milky Way.
They will merge to create an elliptical galaxy.
They will crash together and both explode.
Which of the following is going through "galactic cannibalism" or galaxy mergers?
How can astronomers tell where new star formation is happening in interacting galaxies?
By finding areas with no gas or dust
By locating dark spots in the galaxies
By observing bright blue clusters
By only using visible light
What type of galaxy is the Milky Way?

Regular Spiral
Elliptical
Irregular
Barred Spiral
How did scientists determine there was a black hole in the center of the Milky Way galaxy?
Measuring high temperatures of nearby stars
Detecting strong radiowaves coming from the center of the galaxy
Directly photographing the black hole with a telescope
Observing stars orbiting around an invisible, massive object
What are the most common type of galaxy?
Irregular
Spiral
Elliptical
Lenticular
What kind of stars would you expect to find in this galaxy?

Young & hot
Supernovas
Older & cooler
Old & dead

What statement best describes this image?
The Milky Way Galaxy has broken apart into smaller and smaller galaxies
The Milky Way has never experienced any mergers or interactions with other galaxies
Smaller galaxies do not interact to form larger galaxies like the Milky Way
The Milky Way Galaxy is the result of mergers between smaller galaxies
How can galaxies merge even though the universe is expanding?
The expansion of the universe stops completely near galaxies
Galaxies merge because the expansion of the universe reverses periodically
Gravity between galaxies can overcome the expansion of space
Galaxies are not affected by gravity, so expansion does not influence their movements
What did the Hubble Space Telescope reveal about areas of dark, "empty" sky?
Hundreds of black holes orbiting each other
It contains thousands of galaxies
There is extraterrestial life
Space really is an empty void
Now that we have completed Unit 3, please rate yourself on the Unit 3 objectives from 1 (just starting) to 5 (mastered it!)

You may need to scroll horizontally to see all options
1 - getting started
2
3
4
5 - mastered it
Differentiate and describe the types of galaxies within the universe
Characterize the Milky Way
Identify how galaxies are organized and distributed within the universe
Describe the evolution of galaxies
Examine the forces that shape galaxies of stars