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Author Question: Alpha Centauri A and B have an average orbital separation of about 23 AU and a period of about 80 ... (Read 5 times)

stephzh

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on: Jul 27, 2018
Alpha Centauri A and B have an average orbital separation of about 23 AU and a period of about 80 years. Approximately what is the sum of their masses? If we presume that Alpha Centauri A is a star like our Sun, what is Alpha Centauri B's mass?
 
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Question 2

A solar eclipse can only happen during a ________ Moon.
 
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sabina576

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Reply #1 on: Jul 27, 2018
Answer to Question 1

M = a3 / P2 = 233 / 802 = 12167/6400 = 1.9 solar masses, with B being about 0.9 solar masses.

Answer to Question 2

new


stephzh

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

cpetit11

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Reply 3 on: Yesterday
Excellent

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