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NAME __________________________
CLASS PERIOD ____-2013
Using the diagram, answer the
following questions 1-12
1. Using brightness and
temperature, describe where in
the range of both white dwarfs
fall.
2. What color star is the Sun?
3. Using brightness and
temperature, describe where in
the range of both the sun falls.
4. What group does the Sun fall in?
5. Describe the relationship between brightness and temperature in Main Sequence Stars.
6. Place the following stars in sequence from least to greatest in magnitude:
Rigel, Procyon, Barnard’s Star, Sirius B
7. What two stars are cooler than the Sun but warmer than Tau Ceti?
8. What is the relationship between the brightness and temperature for the main sequence
stars?
9.
Does our mass change when we move from planet to planet? Does our weight
change when we move from planet to planet?
10. Compared to Earth’s gravity of 1.00, Venus has a gravity number of 0.91. Does
Venus have gravity higher or lower than Earth’s? So, if you went to Venus would you
gain or lose weight?
11. Which is another word for size?
Radius
Diameter
Both Radius and Diameter
12. Which is another word for brightness?
Luminosity
Magnitude
Both luminosity and magnitude
13. Why do we use lights years to describe distance in astronomy? Do we use light
years to describe distances in our solar system? Why or Why not?
14. What is the Big Bang theory? (how did the universe start and is it still moving and
which way) How does the red-shift support the Big Bang theory?
15. Planets closer to the Sun generally have ______________ temperatures than Earth.
Planets farther from the Sun generally have ______________ temperatures than Earth.
16. Using your knowledge of the Doppler Effect (sound waves) and the picture
below, in which direction is the dot traveling? (right, left, up, or down).
17.Using your knowledge of the red-shift (light waves) and picture from 16, which side
of the picture represents the red-shift of a planet? (right, left, top, bottom)
18.Place the following in order from smallest to largest?
Universe
galaxy
solar system
planet
19. The table above compares some facts about Venus with some facts about the planet Earth. How are the two planets
MOST different?
20. It takes approximately 8 minutes and 20 seconds for light produced by the Sun to reach the Earth. Therefore, the Sun is
located
a. Much less than 1 light year away from Earth
b. About 8.3 light years from Earth
c. About one light year from Earth
21. What position of the moon will create the least difference
between high tide and low tide?
22. How would you draw Copernicus’s heliocentric view of
the solar system?
23. Mike notices that the Moon appears to be a different shape at different times during each month. Why
does the shape of the Moon appear to change?
24. Which is the lowest frequency?
25. Which has the shortest wavelength?
26. Why does the ocean water near the North Pole absorb less heat throughout the year than ocean water
near the equator?