Question

How does the earth's moon compare to moons of gas giant planets?

Answer 1

Earth's Moon is smaller than the Ganymede, Callisto, Titan and Io.

Explanation:

Diameter of Earth's moon: `3,475 km or 3,475 * 10^3 m`

Ganymede (Jupiter's Moon): `5,262 km or 5,262 * 10^3 m`

Titan (Saturn's Moon): `5,150 km or 5,150* 10^3 m`

Callitso (Jupiter's Moon): `4,821 km or 4,821 *10^3 m`

Io (Jupiter's Moon): `3,643 km or 3,643 * 10^3 m`

All other moons are smaller than earth's moon.

For example: See image for the Jupiter's Moon Europa.