What is the total mass of a binary star system with P = 20 years and a = 10 AU? a. 2 solar masses b. 2.5 solar masses c. 0.5 solar mass d. 80 solar masses e. 0.4 solar mass
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| a. |
2 solar masses
|
|
| b. |
2.5 solar masses
|
|
| c. |
0.5 solar mass
|
|
| d. |
80 solar masses
|
|
| e. |
0.4 solar mass
|
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