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Stars, Galaxies, And The Universe Review 1
Test Description: A review in preparation for final test. Subjects include HR diagram, EM spectrum, Star life cycle, nebular theory, and Galaxy types.
Instructions: Answer all questions to get your test result.
1) Our solar system is located where in the Milky Way galaxy?
A
Just outside the galaxy
B
Halfway out from the center
C
In the center of the galaxy
D
Toward the outside of the arms
2) What is parallax?
A
Constellations that are visible all year long and that seem to move around the north star
B
How bright a star would be if viewed from a standard distance from Earth
C
A measure of the brightness of a star as it appears from Earth
D
The apparent change in position of an object when you look at it from different places
3) What is red shift?
A
moving towards, wavelength shortens, appears slightly more red
B
A new dance move
C
moving away, wavelength lengthens, appears slightly more red
D
moving towards, wavelength lengthens, appears more red
4) What element is fuel for nuclear fusion during the red giant stage of a star?
A
Gold
B
Lead
C
Helium
D
Hydrogen
5) What element is the fuel for nuclear fusion during the main sequence of a star's life cycle?
A
Helium
B
Oxygen
C
Carbon
D
Hydrogen
6) Our Sun is considered to be a ___________ star
A
Blue giant
B
Red Giant
C
White Dward
D
Main sequence
7) What waves have the shortest wavelengths and are the most dangerous?
A
Infrared Waves
B
Gamma rays
C
Radio Waves
D
Microwaves
8) What waves have the longest wavelength and are the least dangerous?
A
Radio waves
B
Microwaves
C
Infrared Waves
D
Gamma Rays
9) How bright a star appears to be when viewed from Earth
A
Parallax
B
Solar wind
C
Absolute Magnitude
D
Apparent Magnitude
10) Constellations that are visible all year long and that seem to move around the north star
A
Circumpolar Constellations
B
Constellations
C
Parallax
D
Doppler Effect
*select an answer for all questions
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