Why explore the deep sea

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oceans

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i've always thought that it's too bad we

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never created a nasa for the deepest

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deepest parts of the sea

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we know more about our moon and mars

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than we do about the deep sea

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so little is known about the shape of

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the bottom so one of the objectives was

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mapping the deep sea floor

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[Music]

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deep sea submersible dives and space

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shuttle flights can be pretty different

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on the space shuttle took us eight and

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half minutes to go from zero miles an

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hour to orbital velocity 17 500 miles an

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hour

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it amounts to riding a bomb

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when you get into orbit you're a couple

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hundred miles above the earth any

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direction you look you can see probably

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nearly a thousand miles

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you get 16 sunrises and 16 sunsets in

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every 24-hour day

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you're just stunned by the number of

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stars that you can see so there kind of

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isn't really an inky black of space

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that's