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일주운동
appears
to rotate once
how much does the 북극성 move?
1 hour= 30 degrees
서 -> 동
west to east
How diffrent will a satillite's orbiting path look 2 hours later
the satilite would move
30 degrees westward
.
Rotation of the earth
2 hours= 30 degrees
1 hour= 15 degrees
5 prooofs that the earth rotates
일주운동
night and day (sun's 일주운동)
satilite's movement
rotation
Sun's movement
360 in 365 days
1 degrees in one day
west to east
sun returns to original position once a year
Author
kakashiroxs
ID
49882
Card Set
Science
Description
Finals
Updated
2010-11-16T08:30:57Z
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