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Are size and scale relevant? Do they change
according to our perspective? What is the real size and scale of such seemingly intangible
things as space and time? Journey with scientists through space and time to explore these
concepts.
Discover Magazine: Size and Scale — Need some help coming to terms with the right
size and scale of things? Here are the answers. Discover the physics involved in taking to
the air. Explore the variety of sizes and shapes in the animal kingdom. Examine the
engineering that allows modern superstructures to stand tall. And look at the solar system
in manageable proportions. Learn why everything has it's own right size and scale.
Space: Distance and Time — When Neal Armstrong stepped on the moon, he made it seem a
bit closer to the earth. But how is space really measured? Using basic geometry and
advanced astrophysics, scientists are attempting to measure the size and age of the
universe. Join these scientists and their historical counterparts Copernicus, Galileo,
Tyco Brahe, Sir Isaac Newton, and others in investigating galaxies, light years, spectra,
and cepheids.
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