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If Collins is right that people [travel|will travel|are travelling|will be travelling] to space as tourists, then, like all tourists, they [are going to stay|stay|will be staying|are staying] in hotels. They are going to want tours and, no doubt, they [expect|are being expected|will expect| will be expecting] some entertainment. All of this [will require|requires|is requiring|is required] many people, and that [is meaning|means|will mean|meant] many new jobs. Some of these space jobs [be|are|are being|will be] similar to Earth jobs, but they [will have|are having|have|had] some unique challenges.

Please note: If you missed this great lecture, Professor Collins [will speak|will be speaking|speaks|is speaking] again at the space conference tomorrow night at 7 p.m.