14.02.2015 Views

Introdução a Astronomia

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Nossa Estrela<br />

O Sol<br />

Massa ~ 10 30 Kg<br />

Diâm. ~ 7.10² 8 m<br />

D sol<br />

= 120 D terra<br />

T superf. = 5500 K<br />

T central = 1.5 10 7 K

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