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26 Results for "mars"

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Do you have what it takes to go on a space mission to Mars?
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Mars is often called the "red planet." It's red because its surface is covered with rusted particles of iron.
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Do you have what it takes to drive a robot on Mars?
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Find out what we know about Mars in this online tour of Earth's closest neighbor.
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The Viking mission was the first to explore Mars' surface. Two spacecraft, Viking 1 and 2, each with an orbiter and a...
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On July 5, 1997, the six-wheeled robotic rover, Sojourner, rolled down a ramp from the Pathfinder spacecraft onto the...
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Pathfinder landed on Mars' surface carrying thesix-wheeled Sojourner rover, a mobile robot. Rover and lander took ov...
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If there's life on any other planet in our solar system, it's probably on Mars. Scientists have sent orbiters, lander...
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Take an expedition across the Martian landscape with this video, then test your knowledge!
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The National Aeronautics and Space Administration (NASA) runs the space program, but that's just part of what they do.
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Are we alone in the Universe? There are billions of stars in our galaxy, and 100 billion galaxies in our Universe.
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It's fitting that the largest planet in our solar system is named after Jupiter, the supreme king of all Roman gods....
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Asteroids are space rocks that have existed since the formation of the planets over 4.6 billion years ago. Scientists...
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Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
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Comets are like "dirty snowballs" that have orbited the Sun since our Solar System formed, billions of year...
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Did you ever see a "shooting star"? What you really saw was a meteor burning up in the Earth's atmosphere.
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Let your imagination run wild, and write an inspiring work of science fiction. ¡TAMBIÉN EN ESPAÑOL!
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Considered a pioneer in astronomy, Johannes Kepler is best known for his three laws of planetary motion.
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When we think of "space," we often think of "outer space" -- the vast, empty, dark space that sur...
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The Earth is our home. So far, it's the only place that we know of that has life. Everywhere you look on Earth there...
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What faraway places might humans travel to someday, and how will we get there?
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Many historians consider English scientist Sir Isaac Newton the first modern physicist. He explained how gravity affe...
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A solar system is made up of a star and everything that travels around it. Solar means "of the sun.
Hands-on

Size up the planets with a model scavenger hunt.
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If you ever go to Mercury, bring your sunscreen because it is the planet closest to the Sun. You'll also need a pair...
Hands-on

Celebrate your cosmic smarts with a solar system of cookies.