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P7 OCR 21st Century 2017
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#2
-for/against space telescopes
-relationship between luminosity and pulse period for cepheid variables and explaining how it can be used to find distance and how it supports the value of the hubble constant
-explaining the differences between the orbit of the sun, moon and stars (so sidereal, solar and lunar days)
-relationship between luminosity and pulse period for cepheid variables and explaining how it can be used to find distance and how it supports the value of the hubble constant
-explaining the differences between the orbit of the sun, moon and stars (so sidereal, solar and lunar days)
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#3
(Original post by physconomics)
-for/against space telescopes
-relationship between luminosity and pulse period for cepheid variables and explaining how it can be used to find distance and how it supports the value of the hubble constant
-explaining the differences between the orbit of the sun, moon and stars (so sidereal, solar and lunar days)
-for/against space telescopes
-relationship between luminosity and pulse period for cepheid variables and explaining how it can be used to find distance and how it supports the value of the hubble constant
-explaining the differences between the orbit of the sun, moon and stars (so sidereal, solar and lunar days)
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#4
(Original post by Patterz)
Do you have a link for last years paper pls and mark scheme?
Do you have a link for last years paper pls and mark scheme?
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