Hubble Science Cards and Cosmology Information Sheet

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New, expanded version! Investigate star formation, light years, gravity, galaxy formation, star birth, the big bang, pulsars, black holes, stages of stars, and more with this set of forty 3 x 5" Science Cards. Includes a beautiful 18 x 24" Cosmology Information Sheet that illustrates how the universe was created, what it is made of, and what will happen to it. The back of the sheet lists all the observatories in the US and Canada, plus information on the great space-based observatories. New, expanded version!