Suppose there existed a planet that went around the sun twice as fast as the Earth. Then its orbital size as compared to that of the Earth would be:

1. \(0.63\) times greater than that of Earth.
2. \(0.73\) times smaller than that of Earth.
3. \(0.63\) times smaller than that of Earth.
4. \(0.73\) times greater than that of Earth.
Subtopic:  Kepler's Laws |
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A Saturn year is \(29.5\) times the Earth year. How far is Saturn from the sun if the Earth is \(1.5 \times 10^8 ~\text{km}\) away from the sun?
1. \( 2.01 × 10^{12}~\text{m}\)
2. \(3.86​​ × 10^{12}~\text{m}\)
3. \(1.43 × 10^{12}~\text{m}\)
4. \(4.19​​ × 10^{12}~\text{m}\)

 

Subtopic:  Kepler's Laws |
 56%
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