A face that hadn't been seen on Earth for over three hundred years.
In the vacuum, it was possible to produce effects never seen on Earth.
We can realize it exists only by seeing its effects on Earth.
Inside was the largest single room she had yet seen on Earth.
I doubt there's ever been a thing like this seen on Earth before.
He saw it as no different from the pioneer days on Earth.
It was grander than anything he had ever seen on Earth.
This child was perhaps four or five years old, six at the most, and not quite like any he had seen on Earth.
I had once seen that in an entertainment about times long past, on distant Earth.
Nicole remembered clearly the last time she had seen her father and daughter on Earth.