Trees grew to enormous heights, oceans of vegetation covered the surface.

Its one ocean covered no more than a fiftieth of the total land area.

A hot white sun hung off in space; blue oceans covered a large part of the surface.

And as it tips, the oceans rise up and cover the land.

The oceans cover how much of the earth's surface?

At least Rakatan had an atmosphere, and an ocean not covered in ice.

The vast oceans covered seventy percent of the planet, just as they did on Earth.

The ocean, if it existed, covered a quarter of Mars's surface.

The world's oceans cover two thirds of Earth's surface.