Star Life And Death # 2.0

Level 2

How Luminous will the Sun become when it becomes a red giant(and as large as possible?).

1000-1200 Times more brighter 50-100 Times more brighter 1800-2000 Times more brighter 300-500 Times more brighter

Arjun Shrivastava by Arjun SHRIVASTAVA , 16, USA

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1 solution

Arjun Shrivastava
Jul 18, 2018

L L ⊙ = ( R R ⊙ ) 2 ( T T ⊙ ) 4 , \frac{L}{L_{\odot}} = {\left ( \frac{R}{R_{\odot}} \right )}^2 {\left ( \frac{T}{T_{\odot}} \right )}^4 , is the formula for calculating how much brighter the star is than our Sun. The Sun will come very close to earth's orbit. You can calculate the Max Size by divide the diameter of earth's orbit (Wiki) by sun's diameter than you will get around 150-170. The Temperature will get close to 3000 K and using the formula you get around 1900.

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https://en.wikipedia.org/wiki/Luminosity

Arjun SHRIVASTAVA - 2 years, 10 months ago

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