Thursday 28 November 2013

Amateur Spectroscopy

Rob Johnson of Liverpool AS gave an enthralling talk yesterday on spectroscopy. He showed us what an amateur could do with relatively cheap equipment to take the spectra of stars and gather informationm from them. It reminded me of my previous studies when I was always amazed at just how much information could be discerned from a simple spectrum. I was also interested to see that he proved that there is oxygen in the earth's atmosphere. I had always wondered...

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