John Griffiths Astro Pages

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GCSE Astronomy >  [Lesson Summary Sheets]  > St Olave’s

 

 

Week 19 (9th March 2010)

 

· Stellar spectra – spectral sequence = O B A F G K M

 

· Fraunhofer lines in the Sun’s spectrum and stellar spectra – using a simple spectroscope

 

· Spectroscopy-  what we can deduce from spectra = composition of stars, temperatures, movement of stars (red and blue shift – Doppler Effect), rotation of stars and magnetic fields of stars and more…

 

· Introduction to the evolution of low mass stars like the Sun

 

· The importance of mass of stars to their life history

 

 

 

Week 20 (16th March 2010)

 

· Space Exploration + brief history of rocketry

 

· Disadvantages and advantages of sending telescopes into space

 

· Uses and types of artificial Earth satellites

 

· Week’s work

 

· Read Power Points on Space Exploration and (ready for next lesson) the Electromagnetic spectrum

 

· Bring along coursework to next lesson

 

 

 

GCSE Astronomy — Lesson Summary Sheets—Year 2009/10—St Olave’s

 

Week 21 (23rd March 2010)

 

· Observing across the electromagnetic spectrum

 

· Variable stars – an introduction – more next week

 

· Bring in coursework for discussion next week

 

 

 

Week 22 (30th March 2010)

 

· Finished Variable stars

 

· In particular Cepheid Variables and how they are used to measure distance

 

· The Milky Way Galaxy – an overview