JUST HOW BIG IS SPACE?

DVD

$99.95

   Order Code: SDA524DV    ISBN : 9781421341538
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Topics: units of measure; estimating distances through parallax, the inverse square of brightness, and the Cepheid variable, Doppler shift, and supernova methods; and time dilation, space dilation, and the distorting effect of gravity on the space-time continuum. 27 minutes.

Teacher’s guide

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ISBN

9781421341538