It's exactly enough times to go there, here, and back again.

Earth

The Earth

Earth?

Alien beings from a dying planet.

Their destination the Earth.

Globe

Globe

So the Sun (sorry), the Earth is 150 million kilometres from the Sun.

Where is Earth?

Which way is Earth?

Earthmen!

Earth!

Earth.

The earth is a ball.

So, what's going on?

A Desktop Globe

Earth at Night

Earth

Louis!

But then again...

On Mother Earth you'll get them.

Earthman, Hello!

Clearly we don't have 10 planets.

The earth is round.

Desktop Globe

Marble Desktop Globe

p, li white space pre wrap Marble Desktop Globe

Marble Desktop Globe

The spiral... Yes...

Here's Earth.

Go back to Earth.

Earth to Alice.

The earth is shaped like a sphere.

So I think most of us watching this video know that this right here is Earth.

And let's say there is a certain amount of sunlight that is reaching the Earht.

The earth is not a perfect globe.

And this is what we found, and it's startling.

How much livestock do you need to produce this?

It's not the Kuril arc. It's not even the entire Pacific.

A strain of this bacterium was grown in space.

My best attempt to draw a circle.

Earth's in danger, too, isn't it?

So where are we? We're on Earth.

I think the most promising way is to go for biomarkers.