Divide your group into two subgroups. After preparing for a few minutes, have one group present reasons
why the discovery of life elsewhere in the universe would be "good" for humanity. Have the other group present reasons why the discovery of life elsewhere would be "bad" for humanity. Have the entire group discuss the two cases and try to come to a consensus.
Divide your group into two subgroups. After preparing for a few minutes, have one group present reasons why
the initiation of communications with creatures elsewhere in the universe would be "good" for humanity. Have the other group present reasons why starting such communications would be "bad" for humanity. Have the entire group discuss the two cases and try to come to a consensus.
Divide your group into two subgroups. Have each subgroup make up a "picture" like that in Figure 27.10
that could tell extraterrestrial creatures about humanity and life on Earth. Then ask each subgroup to try to interpret the other subgroup's message.
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