ANNE JUMP CANNON (1863-1941)
in 1896 cannon went to work at Harvard college observatory . her job was to study glass photographic plates of stars taken with a spectroscope , an instrument contain a prism to seprate light into a spectrum bacuse a each made by an different elements . first cannon describe the star and then put in a catagory .
she organized the star category in a sequence from est to coolest (O , B,A,F,G,K,M,R,N,S.) HERE easy way to remember the hits * OH BE A FINE GIRL,KISS ME RIGHTNOW ,SWEET........*IN 1990 astronomical union adopted cannon system
As a young girl anne jump cannon climbed to the roof with her mother to look the stars
by candle lights she looked through astronomy books and tried to identity the stars , these are the first steps to her lifes work classifying nearly 400000 stars .the result fill a 10 volume catalog known as the bible of modern astronomy thanks to cannon scientist know a lot about how are born and age ,and die
in 1896 cannon went to work at Harvard college observatory . her job was to study glass photographic plates of stars taken with a spectroscope , an instrument contain a prism to seprate light into a spectrum bacuse a each made by an different elements . first cannon describe the star and then put in a catagory .
she organized the star category in a sequence from est to coolest (O , B,A,F,G,K,M,R,N,S.) HERE easy way to remember the hits * OH BE A FINE GIRL,KISS ME RIGHTNOW ,SWEET........*IN 1990 astronomical union adopted cannon system
3 comments:
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Regards
Apu
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