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. |
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. \(4.19 × 10^{12}~\text{m}\)