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To know Earth, we must know our oceans.

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Water
is the lifeblood of our planet, integral

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to all of its dynamic systems.

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Oceans are crucial,
conveyor belts distributing.

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Heat around the globe
and impacting climate and weather.

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Heat around the globe
and impacting climate and weather.

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With eyes in the sky,
NASA's unique perspective

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gives an unprecedented view
of our blue marble home.

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But how well 

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can a space agency

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really know our oceans?

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more than you might think.

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the National Aeronautics
and Space Administration, present

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the first Seasat collected data
for 99 days Since 1968, weather satellites

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have given us the ability

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to observe and track a hurricane
from the time of its birth, 

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for the first time, ocean currents can be mapped
from space with a sufficient accuracy

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to study their effects on global weather
and the climate.

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The original idea behind SeaWiFS,
was to monitor the color of the ocean.

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Project that we're involved in
is called names,

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as kind of started from space
and worked its way down to the ocean,

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Drop

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SWOT will give us an unprecedented view
of our planet's water system

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liftoff.

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Of the Falcon nine and pace.

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Helping
keep pace with our ever changing ocean

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and atmosphere.

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The earth coming up.

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Wow. That pretty.

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We live on an ocean world.

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And to explore our oceans is to uncover our home.