Earth and the Solar System

Table 8.1 presents data for three planets: Mercury, Venus and Earth.

May/June 2024

A planet’s orbital speed about the Sun is $v$ and its orbital period is $T$. Jupiter is located farther from the Sun than the Earth. Which planet has the larger value of $v$, and which planet has the larger value of $T$?

May/June 2025

The Earth has a radius of $6.4 \times 10^6\,$m and completes one turn about its axis every 24 hours. Fig. 9.1 shows that, as the Earth spins, points on its surface travel in circular paths around the axis of rotation.

Oct/Nov 2024

The planets in the Solar System travel around the Sun. Which of the following statements is correct?

Oct/Nov 2025

Which of the following statements about the Earth is correct?

Oct/Nov 2025