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Astronomy Part 1 Review C
Test Description: Astronomy Part 1 topics
Instructions: Answer all questions to get your test result.
1) What effect do solar flares have on Earth?
A
cause magnetic pole reversal
B
cause global warming
C
cause auroras
D
cause the tides
2) What is the source of the Sun's energy?
A
chemical burning
B
photosynthesis
C
nuclear fusion
D
nuclear fision
3) Star A is farther from Earth than Star B. Both stars have the same absolute magnitude.
A
Star A will have the greater apparent magnitude.
B
We cannot determine either star's apparent magnitude.
C
Star B will have the greater apparent magnitude.
D
Both stars will have the same apparent magnitude.
4) About 90% of stars on the H-R Diagram are
A
red giants
B
white dwarfs
C
main sequence stars
D
supergiants
5) Main sequence stars that are the brightest are
A
the largest in diameter
B
the very cool
C
also the hottest
D
the smallest
6) Astronomers observations of red shifts in spectral lines of distant galaxies indicates
A
that the universe is contracting
B
that Planet Earth is near the edge of our universe
C
that Planet Earth is probably at the center of our universe
D
that the universe is expanding
7) You weigh 240 pounds on Earth. The moon's gravitational attraction is 1/6 that of Earth.
A
You would weigh 480 pounds on the moon
B
You would weigh 1440 pounds on the moon
C
You would weigh 240 pounds on the moon
D
You would weigh 40 pounds on the moon
8) Stars with the highest surface temperature would be
A
blue
B
green
C
red
D
yellow
9) The difference in the brightness of two stars with the same surface temperature is
A
related to how they formed
B
related to their sizes
C
related to their colors
D
related to their ages
10) The Hertzsprung-Russell Diagram shows the relationship between
A
parallax and temperature
B
absolute magnitude and apparent magnitude
C
apparent magnitude and parallax
D
temperature and absolute magnitude
*select an answer for all questions
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