Question

$\huge \fbox \green{Question:}$
The parallax of any celestial body from two opposite ends of the earth's diameter is 60 seconds.If the radius of the Earth is
$64 \times 10_{6}$meters, find the distance of the celestial body from the center of the Earth. Convert this distance into an astronomical unit.
$( 1A .u. = 1.5 \times 64 \times 10_{11} \: miter)$


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Answer 1

Answer:

Here, θ=2.0′=

2∘

60

=

2

60

×

π

180

radian

I = diameter of earth = 2×6400km

=1.28×104km=1.28×107m.

r = ?

From I=rθ,

r=

I

θ

=

1.28×107

π/30×180

=2.2×1010m

Answer 2

Answer:

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