The amount of time in which the Moon completes one orbit around the Earth (orbital period) is 27 days.

The radius of the planet Mars is 3,389.5 km (2,106.6 miles).

The radius of the planet Pluto is 1,151 km (715 miles).

The time span of Hadean Eon was 4,567.3 million years to 4,000 million years ago, while it's duration was approx. 567.3 million years.

The time span of Archean Eon was 4,000million years to 2,500 million years ago, while it's duration was approx. 1500 million years.

The time span of Proterozoic Eon was 2,500 million years to 538.8 million years ago, while it's duration was approx. 1961.2 million years.

The current Eon is the Phanerozoic Eon. It's time span is 538.8 million years to now, while it's current duration is approx. 538.8 million years.

The planet Pluto has 5 moons. Their names are Charon, Nix, Styx, Kerberos and Hydra.

The planet Uranus has 27 moons. It's five major moons are: Miranda, Ariel, Umbriel, Titania, and Oberon.

The planet Jupiter has between 80 and 95 moons. The giant planet commands thousands of small objects in its orbit.