Astronomy Revision

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How were Van Allen Belts discovered?
Sent a weather balloon into atmosphere and on weather balloon was a geiger counter which measures radiation.
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Why are x-ray telescopes not at sea level and what astronomical objects can you see with one?
Because the atmosphere absorbs the x-rays should be located in space and supernova can be seen with one.
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Which gases in the Earth's atmosphere absorb ultraviolet and infa-red radiation?
ultraviolet-oxygen infa-red-carbon dioxide
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What is conjunction?
Planets are aligned with Sun when looking towards Sun
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What evidence is there for the Giant Impact Hypothesis?
Lack of water/volatiles
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Which planet was the first to be discovered using a telescope?
Uranus
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What is opposition?
Planets are aligned when looking away from Sun
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Other cards in this set

Card 2

Front

Why are x-ray telescopes not at sea level and what astronomical objects can you see with one?

Back

Because the atmosphere absorbs the x-rays should be located in space and supernova can be seen with one.

Card 3

Front

Which gases in the Earth's atmosphere absorb ultraviolet and infa-red radiation?

Back

Preview of the front of card 3

Card 4

Front

What is conjunction?

Back

Preview of the front of card 4

Card 5

Front

What evidence is there for the Giant Impact Hypothesis?

Back

Preview of the front of card 5
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