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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
In the center of the galaxy
B
Just outside the galaxy
C
Halfway out from the center
D
Toward the outside of the arms
2) What is parallax?
A
The apparent change in position of an object when you look at it from different places
B
A measure of the brightness of a star as it appears from Earth
C
How bright a star would be if viewed from a standard distance from Earth
D
Constellations that are visible all year long and that seem to move around the north star
3) What is red shift?
A
moving away, wavelength lengthens, appears slightly more red
B
A new dance move
C
moving towards, wavelength shortens, 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
Lead
B
Hydrogen
C
Helium
D
Gold
5) What element is the fuel for nuclear fusion during the main sequence of a star's life cycle?
A
Helium
B
Hydrogen
C
Oxygen
D
Carbon
6) Our Sun is considered to be a ___________ star
A
White Dward
B
Main sequence
C
Red Giant
D
Blue giant
7) What waves have the shortest wavelengths and are the most dangerous?
A
Radio Waves
B
Microwaves
C
Infrared Waves
D
Gamma rays
8) What waves have the longest wavelength and are the least dangerous?
A
Microwaves
B
Gamma Rays
C
Radio waves
D
Infrared Waves
9) How bright a star appears to be when viewed from Earth
A
Absolute Magnitude
B
Apparent Magnitude
C
Parallax
D
Solar wind
10) Constellations that are visible all year long and that seem to move around the north star
A
Parallax
B
Constellations
C
Circumpolar Constellations
D
Doppler Effect
*select an answer for all questions
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