It takes a three-dimensional onlooker to see a sphere in its entirety.

Other than vegetation and blue sand, he sees in the distance only a red sphere about a yard (0.9 meter) in diameter.

When they turn round they see a strange black sphere, about two meters in diameter.

You'll cross into the Veil, and immediately after you arrive, you'll see a dark sphere surrounded by lights.

Then they saw a large glowing sphere just above the treetops a few miles to the front and right.

She got up, looked out the window, and saw a large luminous sphere hovering directly outside her building.

Now, we turn the poster over and we simply see a dark sphere with a wisp of cloud at the top.

He swung about and saw a little sphere of softly glowing light rising above the inner wall.

"People expect you to see a sphere with clouds," Dr. Oppenheimer said.

Some people with Alzheimer's disease, for example, see only a small sphere, not the trees beyond.