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AleksAgata [21]
3 years ago
10

Suppose that two stars in a binary star system are separated by a distance of 60 million kilometers and are located at a distanc

e of 180 light-years from Earth.
What is the angular separation of the two stars? Give your answer in degrees.

Express your answer using two significant figures.
Geography
1 answer:
olya-2409 [2.1K]3 years ago
8 0

Answer:The angular seperation is \theta =3.6\times 10^{-4}

Explanation:

For two objects separated by a distance 's' and at a distance 'd' from the observer the angular separation ignoring the physical effects is given by

\theta =\frac{s}{d}

In the given question

s=60\times 10^{6}km

d=180 light years

We know that in 1 light year there are 9.5\times 10^{12}km

Using the calculated values we get

\theta =\frac{60\times 10^{6}}{9.5\times 10^{12}}\\\\\theta = 6.315\times10^{-6}radians

Since π radians equals 180 degrees thus we have

\\\\\theta =\frac{6.315\times 10^{-6}\times 180}{\pi }degrees=3.6\times 10^{-4}degrees

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