Earth's Atmosphere

?
How thick is the Earths Atmosphere ?
100km
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Which layer of Earths Atmospher do we live in ?
Troposphere
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The light from the sky is made up from which colours ?
Those of the rainbow
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How thick is the layer we live in ?
14km
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Are colours with shorter wavelengths absorbed or do they pass through?
Absorbed (by gas molecules)
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Which colours have longer wavelengths ?
Red, Orange, Yellow and Green
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What happns once the colours are aboserbed ?
They are remitted in all directions ?
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What is this process called ? (Where light passes through gas molecules and is either passes through or is absored and reemitted)
Rayleigh Scattering
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what emits many other types of electromagnet waves ?
Stars and otehr cosmic objects
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Is visable light part of the elctromagnet specturm?
Yes
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What are satellit signals in form of ?
Microwaves
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Can microwaves pass through the atmosphere easily ?
Yes.
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Most ---- and ---- wavelengths reach the ground
Visable and radio
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What is water vapour mostly responsible for ?
Abosrbing infared
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T/F
Most wavelengths never reach the ground
True
This is as it's absorbed by our atmosphere
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Which types of light can ground-based telescopes observe ?
Visable and radio
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What is oxygen and the oxone responsibke for absorbing ?
High frequency waves , such as ultraviolet and x-rays
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Other cards in this set

Card 2

Front

Which layer of Earths Atmospher do we live in ?

Back

Troposphere

Card 3

Front

The light from the sky is made up from which colours ?

Back

Preview of the front of card 3

Card 4

Front

How thick is the layer we live in ?

Back

Preview of the front of card 4

Card 5

Front

Are colours with shorter wavelengths absorbed or do they pass through?

Back

Preview of the front of card 5
View more cards

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