por sílvia ribeiro calbo annie cannon (1863-1941) antonia maury (1888-1933)
TRANSCRIPT
![Page 1: Por Sílvia Ribeiro Calbo Annie Cannon (1863-1941) Antonia Maury (1888-1933)](https://reader036.vdocuments.mx/reader036/viewer/2022062512/552fc12f497959413d8d3b1f/html5/thumbnails/1.jpg)
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Por Sílvia Ribeiro Calbo
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Annie Cannon (1863-1941) Antonia Maury (1888-1933)
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O Azuis e brancas, 35 000K
B 20 000K
A Brancas, 10 000K
F Branco amareladas, 7 000K
G Amarelas, 6 000K
K Alaranjadas, 4 000K
M Vermelhas, 2 500 a 3 000K
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1911 Hertprung analisou os dados de Canon e Antonia Maurydos aglomerados das Hiades e Pleiades
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Einstein(1879-1955)
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1938 - Organizacao no Carnegie Institution para discutirem a constituicao interna das estrelas Reuniao entre fisicos e astrofisicos
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Reações nucleares mais violentas
600 000 000K
Fusão até o ferro
Hoyle - trabalho de 1957
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Combustívelnuclear
Produtos nucleares
Temperaturamínima
Massamínima
H He 4 000 000 0.1
He C,O 120 000 000 0.4
C Ne, Na, Mg ,O 600 000 000 4
Ne O, Mg 1 200 000 000 8
O Si ,S, P 15 000 000 000 8
S Ni até Fe 2 700 000 000 8
Em Massasolar
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1942 : J.J.L. Duyvendak, Nicholas Mayall, e Jan Oort
Como uma estrela produziria elementos mais pesados do que o ferro?
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Sinal estável com períodode 1,33 s
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1968 : Thomas Gold
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1 000 000K
1939 : Robert Oppenheimer e George Volkoff
10^15 g/cm^3.
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1969 - Conexão : Supernova, Estrela de Neutrons e Pulsares
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1916 - Schwarzchild
1968 - Wheeler
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1914 : Walter Adams
1930 : Subrahmanyan Chandrasekhar
10 ^8 g/ cm^3
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92.1% hydrogen and 7.8% helium
0.1 % de outros elementos !!!