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3
|
Only the __________ stars are visible over even small cities.
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4
|
It is difficult to see stars when it's _______ or foggy.
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6
|
Finally, it is difficult to see stars when there are trees or _________ in the way.
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7
|
Even the ____ can make it hard to see stars.
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8
|
It is _________ to see stars in the city.
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10
|
Many people enjoy __________.
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|
|
|
|
|
|
1
|
That's because ______ in the air blocks light from the sky.
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2
|
That's because of all the ____ _______.
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|
5
|
It is difficult to see stars when it's cloudy or ______.
|
|
7
|
Even __________ can block a large amount of the sky.
|
|
8
|
When the sky gets ____, stargazers look up at the sky.
|
|
9
|
That's because they ________ a good view of the stars.
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