A robot is a programmable machine that gets information from its surroundings and does something physical, such as move or manipulate objects. Robots do work, play, explore, and sense.
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How could you describe outer space? What objects exist in space? What are distances in outer space like? How do astronomers measure distances in outer space? Outer space is filled with vast empty space lacking gravity, and is speckled with stars, planets, nebulas, asteroids, comets, black holes, and even space junk (from Earth)! Objects are very far apart, with the closest natural object to Earth (the moon) approximately 240,000 miles away. The nearest star is 93 million miles away, and some galaxies and stars have been viewed through telescopes over 13 billion light years away!
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Interactive Games- Mars Mission crew needs help! With these challenges, you will collect fun achievement stamps and earn your passport to space.