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The Big Bang
The Big Bang

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Learning outcomes

After studying this course, you should be able to:

  • describe the characteristics of light emitted by stars, and hence the information of cosmological interest that can be deduced from it

  • distinguish between true and false statements relevant to the distribution and motion of stars within galaxies, and of galaxies within clusters and superclusters

  • outline the methods used for estimating the distances to stars and to galaxies

  • explain and apply Hubble’s law

  • distinguish between various sources of redshift and estimate their relative importance in a given situation.