The course is broken down into 10 units over 10 weeks, each requiring approximately 10 hours of study time. The following topics are covered:
Unit 1: The astronomical unit
- Light years and parsecs
- The celestial sphere
- A tour of the Universe
- Looking back in time
- Data astronomy
- The electromagnetic spectrum
- Modern astronomy
Unit 2: The Big Bang
- Why matter matters
- An expanding universe
- The formation of the elements
- The cosmic microwave background
Unit 3: Leaving the dark ages
- Dark matter
- The first black holes
- The first stars
Unit 4: Galaxies
- Island universes
- A zoo of galaxies
- Mergers and galaxy formation
- Black holes in galactic centres
- Dark matter in galaxies
Unit 5: Star formation
- The enormous scales of star formation
- The main sequence and the Hertzsprung-Russell diagram
- A multi-wavelength sky
- A tour across the night sky
- The most massive stars
Unit 6: Extrasolar planets and planet formation
- Scale of the Solar System
- Moons
- Discovery of planets around other starts
- A huge variety of worlds
- The current hunt for extrasolar planets
- The Goldilocks zone
- How do planets form?
Unit 7: Exploring the Solar System
- A history of observation
- The giant planets
- The terrestrial planets
- Exploring the moon
- Other worlds
- The Sun
- The Heliopause
Unit 8: Astrobiology
- Life on Earth
- The Miller-Urey experiment
- Panspermia
- The search for extra-terrestrial intelligence
- The Drake equation
- Looking for life in our Solar System
- Is water important for life?
Unit 9: The end of stars
- The death of our sun
- Size matters
- Supernovae and the limits of fusion
- Neutron stars and black holes
Unit 10: The fate of the Universe
- Eternal expansion or Big crunch
- Gravitational lensing
- The Universe is flat
- The accelerating Universe
- Dark energy
- Large-scale structures and cosmological models
We strongly recommend that you try to find a little time each week to engage in the online conversations (at times that are convenient to you) as the forums are an integral, and very rewarding, part of the course and the online learning experience.