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It's Awesome

You may think the Grand Canyon is big. Or that it’s a long way from New York City to Hong Kong. Or that the pyramids are really old. But when it comes to size, scale, and age, the universe is, well, out of this world! Scientists have had to come up with whole new ways to measure astronomical time and distance. See for yourself—it’ll blow your mind!
  Explore these links to journey back in time and out into space.

Cosmic Calendar
The History of the Universe
Light Years
Measuring Unimaginable Distances
Mind Game
Think BIG!

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