from The Open University
Alternatively you can skip the navigation by pressing 'Enter'.
A History of Ideas - Aristotle on flourishingTuesday, 31st March 2015 12:04 - BBC Radio 4In this episode of A History of Ideas, philosopher Jules Evans wants to prove there's been a revival of Aristotle's... Watch now: OU on the BBC: A History of Ideas - Aristotle on flourishing
Kim Cattrall on Antony & CleopatraWednesday, 1st April 2015 07:00 - Sky Arts 1 HD
A History of Ideas - Max Weber and the Protestant EthicWednesday, 1st April 2015 12:04 - BBC Radio 4
Thinking Allowed: Citizenship ceremonies and family tiesWednesday, 1st April 2015 16:00 - BBC Radio 4
A History of Ideas - How do I live a good life?Available until Wednesday, 30th March 2016 14:15Melvyn Bragg and his four guests delve deeper into the philosophy of how we live a good life. Read more: OU on the BBC: A History of Ideas - How do I live a good life?
Is there a problem with OpenLearn? OpenLearn status updatesWe hope OpenLearn works normally, around the clock, through the year. If we know something's... Read more: Is there a problem with OpenLearn? OpenLearn status updates
Take the photographic memory testCan you capture scenes just by looking at them? Find out with our photographic memory test. Launch now: Take the photographic memory test
The business of footballWelcome to this free new OpenLearn course produced by The Open University working in partnership... Try: The business of football now
Succeed with maths – Part 1[BETA] If you feel that maths is a mystery that you want to unravel then this short 8-week course... Try: Succeed with maths – Part 1 now
Telescopes and spectrographs
This unit looks at how telescopes and spectrographs are designed to improve our ability...
This unit looks at how telescopes and spectrographs are designed to improve our ability to observe the universe. You will examine how different technologies have been developed over the last four hundred years to enable us to look deep into space.
By the end of this unit you should be able to:
- understand the application of basic principles in geometrical optics;
- appreciate the phenomena relating to the wave nature of light.
- Current section: Learning outcomes
- 1 Telescopes
- 1.1 A milestone in the advancement of astronomy
- 1.2 Optical elements
- 1.3 Refracting telescopes
- 1.4 Reflecting telescopes
- 1.5 The characteristics of astronomical telescopes
- 1.6 Telescope mountings
- 1.7 Summary of Section 1 and questions
- 2 Spectographs
This is an extract from an Open University course which is no longer available to new students. If you found this interesting you could explore more free Science course units or view the range of currently available OU Science courses.