GCSE Physics – Red shift

Last updated: 10/06/2020
CCEA GCSE Science – Combined science foundation Space physics GCSE Physics – Red shift

Learning Objectives

-I can explain red shift

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  1. Current
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  3. Answered

  1. What are absorption spectra?

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  2. What do scientists do with absorption spectra?

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  3. What does each element produce on an absorption spectra?

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  4. How is light from distant galaxies shifted?

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  5. What is the name of light from distant galaxies being more red?

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  6. What does red-shift show?

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  7. What does red-shift of most galaxies show us?

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  8. If light from a galaxy is red shifted, what is happening?

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  9. How can we measure red-shift?

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  10. Two galaxies are moving away from Earth, with galaxy A moving more quickly than B. What happens to their light?

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  11. More distance galaxies have a greater red-shift than nearer ones. What does this show?

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  12. As more distant galaxies are moving faster than nearer ones, what does this suggest?

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  13. When we look at light from distant galaxies, what do we find?

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  14. What is the current theory on the origin on the Universe?

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  15. What does the Big Bang Theory state?

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