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Hi, I'm Grant with more science news you can use.

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Well, I'm all packed to go to Mars.

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To Mars? Mars is about 55 million miles from Earth.

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That would be 89 million kilometers. It would take me years to get there.

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Actually, it would take you about six or seven months.

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But you have to take a bioregenerative system to provide food, water, and air just to keep you alive.

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Don't forget that in space, radiation will also be a problem

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because you won't have the Earth's atmosphere and the Earth's magnetic field to protect you.

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And what about the spaceship?

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You will need a very big one to carry lots of water, dehydrated food, medical equipment, and a big lander

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so that you can be the first person to step on Mars.

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To learn more about the challenges to go to Mars, visit our website.

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Until next time, I'm Grant.

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Cool space science news you can use.

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Hi, I'm Cory with more space science news you can use.

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Where can NASA find water on Mars?

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I need to know this since I plan to be the first person to step on Mars.

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You can be first, after me.

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So where's the water?

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The Phoenix Mars Lander mission will explore near Mars' north pole.

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Scientists believe this part of Mars has soil with lots of water in it.

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So this is water I can drink?

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No, it's water ice under a thin soil layer.

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There may have been an ocean there long ago.

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Some water stayed behind and froze when Mars' climate changed.

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Will NASA land astronauts in the same area?

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Maybe. Phoenix Mars Lander is a big step to help NASA decide where I get to walk first.

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After me.

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To find out more about Phoenix Mars Lander, check out our website.

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Until next time, I'm Cory with cool space science news you can use.