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Did you know you can see penguin poop from space? 

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That’s right!

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Pink piles of poop from those cute flightless birds. 

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There it is right there! 

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I’ll have a krill burger with a side order of squid fries please!

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Astronauts get to see Earth from the International Space Station every day! 

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Hello, there!

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You know what else gets to Earth from space every day? 

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Our amazing fleet of satellites!

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Hi, my name is Jessica Merzdorf and I’m a NASA science writer. 

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I write about earth science and satellite missions including

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Landsat! 

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Landsat has been taking pictures of Earth for almost 50 years! 

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Not, like, pictures that your phone takes. 

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These are technically 'images,' created by a bunch of encoded bits of data.

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From space, we can see changes to the Amazon rainforest, 

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growing cities like Las Vegas,

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the shifting path of the mighty Mississippi river, 

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and even penguin poop. 

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Our planet is changing all the time: 

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From our massive glaciers, to your own neighborhood! 

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So…if you had the chance, what would you like to see with Landsat? 

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[beep]

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Hi NASA, I would like to ask you a question.

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What is under the surface of a volcano?

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That’s a great question.

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Lots of times there’s a chamber of lava under the surface of a volcano.

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Here’s a picture - sorry, image

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Landsat took of Kilauea in Hawaii as it’s erupting. 

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With our special technology on Landsat, we can see the heat coming out of the volcano. 

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Here’s an image of Mount St. Helens Landsat took in 1979.

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And here’s the same volcano right after it erupted in 1980.

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Look how the blast from the explosion knocked down the surrounding trees. 

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Amazing, right?

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Now it’s your turn to tell us where you would like to explore! 

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What others changes do you want to see as they happen on Planet Earth? 

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Let us know and you could get your question answered 

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by one of our super smart scientists! 

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So…where do you want to go?!

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