Question

Express the distances of planet jupiter from the earth and the sun in light years.

Answer 1

Answer on Question #45873 – Physics – Astronomy | Astrophysics

Considering, that average distance Jupiter-Sun approximately equals to 5.2 a.u. and 1 l.y. approximately equals to 63 241 a.u, we have

$$D_{S-J} = \frac{5.2}{63241} = 8.22 \cdot 10^{-5} \text{ l.y.}$$

The less distance between Jupiter and Earth we can evaluate from consideration, that orbit of Jupiter and Earth are both circular, with radiuses 5.2 a.u. and 1 a.u. respectively.

So, $D_{(J-E)\min} = 5.2 - 1 = 4.2 \text{ a.u}$

$$D_{S-J} = \frac{4.2}{63241} = 6.64 \cdot 10^{-5} \text{ l.y.}$$

Comments: l.y. – light years, a.u. – astronomical unit

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