World and Planets Facts

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 average distance between the Sun and the planet Jupiter is 778 million kilometers (484 million miles).

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 average distance between the Sun and the planet Mercury is 58 million kilometers (36.05 million miles).

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

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 average distance between the Earth and the Moon is 384,400 kilometers (238,855 miles).

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