World and Planets Facts

The time span of Ordovician period was 485.4 million years to 443.8 million years ago, while it's duration was approx. 41.6 million years.

The amount of time in which planet Uranus completes one orbit around the Sun (orbital period) is 248 years.

The time span of Silurian period was 443.8 million years to 419.2 million years ago, while it's duration was approx. 24.6 million years.

The amount of time in which planet Pluto completes one orbit around the Sun (orbital period) is 248 years.

The time span of Devonian period was 419.2 million years to 358.9 million years ago, while it's duration was approx. 60.3 million years.

The amount of time in which planet Neptune completes one orbit around the Sun (orbital period) is 164.79 years.

The time span of Carboniferous period was 358.9 million years to 298.9 million years ago, while it's duration was approx. 60 million years.

The time span of Permian period was 298.9 million years to 251.9 million years ago, while it's duration was approx. 46.998 million years.

The amount of time in which planet Saturn completes one orbit around the Sun (orbital period) is 29.4 years.

The time span of Triassic period was 251.9 million years to 201.4 million years ago, while it's duration was approx. 50.502 million years.