On the 4^th of September you will learn about E=MC².

The amount of CO₂in the atmosphere grew by 2ppm in 2009₁.

The moon is drifting away from Earth.

The moon is drifting away from Earth.

The moon is drifting away from Earth.

The moon
is drifting away from Earth.

The moon
is drifting away from Earth.

The moon is drifting
away from Earth.

The moon is drifting away from Earth.

The moon is drifting away from Earth.

The moon is drifting away from Earth.

The moon is drifting away from Earth.