Earth-Moon-Sun System Answers

Phobos orbits Mars in 27,553 s at a distance of 9.378 × 106 m. What is the mass of Mars?

Johannes Kepler is known for which discovery in astronomy?

The table shows information about two of the major moons of Uranus.MoonOrbital Period (days)Average Distance from Uranus (km)Miranda0.319129,390Titania 8.71435,910What is the average distance between Miranda and Uranus?

The mass of the Sun is 2 × 1030 kg, and the mass of Saturn is 5.68 × 1026 kg. The distance between Saturn and the Sun is 9.58 AU. Veronica is solving the following equation to calculate the orbital period of Saturn, but there is an error in the equation.T = What should Veronica change to correct the equation?

The mass of the Sun is 2 × 1030 kg, and the distance between Neptune and the Sun is 30 AU. What is the orbital period of Neptune in Earth years?

If it takes a planet 2.8 × 108 s to orbit a star with a mass of 6.2 × 1030 kg, what is the average distance between the planet and the star?

Which proportionality does Kepler’s third law describe?

less thantwo times greater thanthe same asthree times greater than

Which statements describe the relationship of Earth and its moon? Check all that apply.The moon orbits Earth following a nearly circular path.The gravitational pull of Earth on the moon is parallel to the velocity of the moon.The moon orbits Earth in 1 Earth day.The same face of the moon always points toward Earth.The moon’s orbit is the result of the interaction between the moon’s inertia and the gravitational force from Earth.

Kepler’s first law states that the orbits of planets are ellipses with the Sun at one .