Introduction - Introductory Quiz


1. The light year is a unit of
A).. time.
B)..distance.
C).. speed.
D)..weight.
E)..age.

2. You write your home address in the order of street, town, state, and so on.Suppose you were writing your cosmic address in a similar manner. Which of the following is the correct order?
A)... Earth, Milky Way, Solar System, Local Group.
B)... Earth, Solar System, Local Group, Milky Way
C)... Earth, Solar System, Milky Way, Local Group
D)...Solar System, Earth, Local Group, Milky Way
E)...Solar System, Local Group, Milky Way, Earth,

3. Which of the following astronomical systems is/are held together by gravity?
A)...The Sun.
B)... The Solar System.
C)... The Milky Way.
D)... The Local Group.
E)... All of them are.

4. From the picture of Jupiter and the Earth estimate how much larger is Jupi ter's diameter than the Earth's.
A)... 2 times
B)... 5 times
C)... 10 times
D)... 25 times
E)... 100 times

5. Which of the following statements can be tested for correctness using the scientific method?
A)... The Sun's diameter is about 100 times larger than the Earth's diameter.
B)... The sky is sometimes blue.
C)... An astronaut cannot survive on the Moon without life-support systems.
D)... The Moon is an uglier place than the Earth.
E)... All of the above except (D).



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