最近,“旅行者2”号飞经海王星,达到了太阳系外层空间12年太空之旅所获发现的巅峰。这正是在布鲁斯·默里的《太空旅行》一书中,由他所极力倡导的太空探险方式的一个胜利。具有同每年消耗在航天飞机项目上的费用相比,所花的经费相对适中,而且又无生命危险之虞的旅行者号遥控探测器,不仅成功地探访 Recently, “Voyager 2” passed Neptune, reaching the pinnacle of the 12-year space trip to the outer solar system. This is precisely the victory of Bruce Murray’s “space travel” book, a space exploration adventure that he strongly advocates. Travelers who have spent relatively modest amounts of money on a space shuttle program each year compared to the cost of a space shuttle program, and who have no life-threatening remote control detectors, have not only successfully visited