This is the way the world ends / Not with a bang but a whimper.’ (T.S. Eliot) But how about the way the world begins? Was this the biggest bang of all? This free course will introduce you to the theory of the Big Bang and will present the three main lines of experimental evidence that support this theory.

This is the way the world ends / Not with a bang but a whimper.’ (T.S. Eliot) But how about the way the world begins? Was this the biggest bang of all? This free course will introduce you to the theory of the Big Bang and will present the three main lines of experimental evidence that support this theory.

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.

Course Curriculum

Section 1 : Introduction
Getting started FREE 00:05:00
Learning outcomes FREE 00:05:00
Section 2 : Introducing cosmology
What is cosmology? FREE 00:07:00
Radiation from the galaxies FREE 00:10:00
Section 3 : Distances of galaxies
First steps towards a distance scale FREE 00:10:00
Some general properties of galaxies FREE 00:07:00
Extending the distance scale FREE 00:10:00
Section 4 : The variation of redshift with distance
Hubble’s discoveries FREE 00:10:00
Evidence for a big bang FREE 00:10:00
Section 5 : The microwave background radiation
A second major discovery FREE 00:10:00
The origin of the 3 K radiation FREE 00:10:00
Section 6 : The primodial nuclear abundances
Introduction FREE 00:10:00
The temperature of matter and radiation FREE 00:10:00
Conclusion 00:05:00
Summary FREE 00:07:00
Quiz 00:10:00

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