Start Geologic time scale and relative dating lab

Geologic time scale and relative dating lab

Within minutes, you're dodging marsupials the size of minivans and dragons far longer.

Another competitor, this one the size of Mars, crossed Earth's path.

It is the beginning of the great drama of life on Earth.

Over four billion years in the making, an island adrift in southern seas: it's Australia, the giant down under; a young nation with all the gifts of the modern age, but move beyond the cities and an ancient land awaits, one nearly as old as the earth itself.

Join me on an epic journey across a mighty continent and far back in time.

Of all continents on Earth, none preserve the great saga of our planet and the evolution of life quite like this one.

Nowhere else can you so simply jump in a car and travel back to the dawn of time.

In this episode, the beginning of it all: from a cosmic maelstrom a planet is born.

Swirling around the young star, was a disk of dust and debris, every fragment locked in mortal gravitational combat with every other lump of rock, metal, ice and dust in orbit.