Studying the Universe (P7)

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  • Created by: TJGroves
  • Created on: 11-04-14 13:06
What is a Sidereal day
The time it takes for the earth to spin once
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What is a solar day?
The time is takes for the sun to appear in the same position in the sky that is 24 hours
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Why are solar and sidereal days different?
Because the earth orbits the sun as well as spinning on its own axis
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why do stars change position in the sky?
because as the earth moves round the sun the direction we face changes slightly every day so we see a slightly different patch of sky each day
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Why does the moon look as if it is glowing
Because it reflects light from the sun
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What part of the moon do we see in a "new" moon
when the dark half faces us
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Other cards in this set

Card 2

Front

What is a solar day?

Back

The time is takes for the sun to appear in the same position in the sky that is 24 hours

Card 3

Front

Why are solar and sidereal days different?

Back

Preview of the front of card 3

Card 4

Front

why do stars change position in the sky?

Back

Preview of the front of card 4

Card 5

Front

Why does the moon look as if it is glowing

Back

Preview of the front of card 5
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