Mostly a matter of brightness... ;-)
Like some questions here on Y/A (not yours!)
2007-01-06 06:33:34
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answer #1
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answered by Anonymous
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during the day the sun is shining on the part of the earth where you are. then as the earth rotates on its axis, the part where you are is no longer facing the sun (the other part of the world is.)
the diff between day and night is the position of the sun in relation to your position on the earth. use an apple or orange as the earth and something else, like a basketball as the sun. hold the sun still and spin the orange like a top. if you were an ant one place on the orange, sometimes you would be able to see the basketball, other times not. that's night and day.
2007-01-06 14:34:51
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answer #2
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answered by Sufi 7
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If you are BLIND and cannot see you will obviously need another reference other than light and dark....
When it is day time (and it is not raining) you could detect the presence of day light shining on you by the warmth it generates on your skin. This warmth is created by light from the SUN striking your skin, the light energy absorbed by your skin will raise its temperature....
The heating effect from this "light" would also tend to be directional, only warming a portion of your body at any given time. If you could stand long enough you would find that the direction of this light warmth would slowly move in one direction. The warmth would appear to disappear for 12hours. We call this absence of light night. At the end of this night the warmth would again reappear from an opposite direction from where it disappeared. This return of the warmth marks the beginning of a new period which we call Day.
2007-01-07 01:33:32
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answer #3
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answered by MarkG 7
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Simplest definition:
day = period when the sun is above the horizon
night = period when the sun is below the horizon
next level
day = period of rotation in relation to the sun
used to be the basis for the definition of time: on average, 24 hours between each meridian passage of the sun from a fixed location. Each hour divided in 60 parts called "minutes", each minute is divided in 60 parts called "seconds" (because it was the "second" division of the hour).
2007-01-06 14:29:44
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answer #4
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answered by Raymond 7
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because the earth is rotating, the sun ends up in a different area, causing a difference in the light we recieve (sunrise- the earth has rotated towards the sun) sundown- the earth is rotating away from the sun, causing you to see the moon.
2007-01-06 18:47:52
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answer #5
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answered by tropikanagirl 3
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light and dark,
day is when the earth is posision to receive the sun and night is when it is not, without either mankind couldnot survive,, plants get their enegy and food from the sun during the day, but they dont use it or grow unitll it is dark.
2007-01-06 14:38:57
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answer #6
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answered by skitz 2
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Day is when your side of the earth is facing towards the sun.Night is when its facing away.
2007-01-06 14:36:10
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answer #7
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answered by Lou 3
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When the street lights go out, IT'S DAY TIME.
Does that simplify it at all.
2007-01-07 03:38:45
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answer #8
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answered by Anonymous
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day - light
night - dark
day - warmer
night - colder
day - sun out
night - sun gone
2007-01-06 14:54:12
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answer #9
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answered by Blossom 4
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the time
2007-01-06 14:26:11
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answer #10
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answered by Dr W 7
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