To calculate:To find how many lightyears closer is Alpha Centauri B to Earth than Wolf 359.
Answer to Problem 50STP
Alpha Centauri B is
Explanation of Solution
Given information:Table showing the five stars nearest to Earth
Star | Distance (light-years) |
Proxima Centauri | 4.22 |
Alpha Centauri A | 4.40 |
Alpha Centauri B | 4.40 |
Barnard’s Star | 5.94 |
Wolf 359 | 7.79 |
Calculation:
From the table,
Distance between Earth and Alpha Centauri A
Distance between Earth and Wolf 359
In order to find how many lightyears closer is Alpha Centauri B to Earth than Wolf 359.
one need to find the distance between the two stars.
Let distance between Alpha Centauri Band Wolf 359is
Distance between Earth and Wolf 359 star is sum of distance between Earth and Alpha Centauri B and distance between the starts
Therefore, we get
On solving the above equation
Hence, Alpha Centauri B is
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