Wednesday 3 October 2018

OOH BE A FINE GIRL ( A Star Lady)

                            ANNE JUMP CANNON (1863-1941)


                                                          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:

Mpgk said...

good article sir

moses dhilipkumar said...

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Apu Mridha said...

Hey,
This is exactly what i was looking for. Thank you for sharing. It will be really helpful for me :)


Regards

Apu

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