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The Arctic is an ocean. The southern pole is a continent surrounded by ocean. The North Pole is an ocean, or northern waters. It's an ocean surrounded by land, basically.

The view of Earth is spectacular.

The Earth is a beautiful planet. The space station is a great vantage point to observe it and share our planet in pictures. It makes you more of an environmentalist.

If it's enough money, I'll play the North Pole.

The materials of wealth are in the earth, in the seas, and in their natural and unaided productions.

Standing on the apex of our planet is humbling. I'm starved of oxygen, depleted of reserves, unable to eat, and bound by anxiety. This is a dangerous place. Yet the symbolism of standing on top of the world gives me a chance to experience time on a cosmic scale.

We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface.

If people concentrated on the really important things in life, there'd be a shortage of fishing poles.

The world itself looks cleaner and so much more beautiful. Maybe we can make it that way - the way God intended it to be - by giving everyone, eventually, that new perspective from out in space.

The North Pole will be ice-free during summer in years to come, and that itself will put the Arctic Sea basin on a very high risk of... environmental disasters that might be there.