A day is the time it takes the Earth to spin around once.

The Earth spins very close to once a day for someone on the moon.

Over the course of a day, the earth spins once, or 360 degrees.

So the number 9.8 applies whether the earth is spinning or standing still.

We were talking about how the earth spins on its axis.

The Earth was spinning on its axis and leaving her behind.

Meantime the earth is spinning as it goes round the sun.

As the Earth spins we pass through the bulge and out the other side.

The Earth spins at a thousand miles an hour as we desperately try to keep from being thrown off.

Somewhere out there, more than 1000 light-years away, the tiny Earth spun on its course.