space tourism
US /ˈspeɪs ˌtʊrɪzəm/
UK /ˈspeɪs ˌtʊrɪzəm/

1.
the activity or business of traveling into space for recreation or leisure
:
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Space tourism is becoming a reality with several companies offering suborbital flights.
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The cost of space tourism is still prohibitive for most people.