Space Travel Knowledge Cards. Space travel is showing signs of becoming reality in the near future; these Knowledge Cards help prepare the world for interplanetary flight. Unafraid of the unimaginable immensity of outer space, this deck offers such essential information as: why it's not a good idea to launch a satellite straight up, how to distinguish an asteroid from an Idaho potato, why you're apt to get cold feet, skinny legs, and a headache under weightless conditions. In 47 entertaining but serious questions and answers (plus a handy fact sheet), these Knowledge Cards illuminate the fine points of extraterrestrial physics.

With questions on one side and answers on the other, these 48 fact-filled Knowledge Cards are a great source of condensed information—all in a deck the size of a pack of playing cards! Discover emergent theories and intriguing facts about this compelling field of science in a concise, stimulating compilation.

Card size: 3 ¼ x 4"