Word: space
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Dates: during 2000-2009
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...Mars - nothing has been found yet, but scientists hold out hope that the ice present on parts of the planet harbors life - there's a risk that foreign bacteria could contaminate or somehow change the development of their Martian counterparts. But beyond the broad language of the Outer Space Treaty, we don't really have set guidelines for how we should treat microbial life on another planet should we run across...
...difficult to make sure that we avoid squashing new life as we search it out - although doing so could add considerable cost to any space mission. Probes like Phoenix can be more fully sterilized before launch, and debris from any unmanned craft could eventually be recovered. The real challenge will occur if and when humans set foot on Mars or any other planet and begin establishing a more permanent presence, especially if we explore beneath the surface, out of the reach of the sterilizing solar UV radiation. When that day comes, we'll need to step carefully to make sure...
...pictures of five nations' space programs...
...pictures of Earth from space...
...voice of truth and authority [Jan. 26]. But there were others who set the stage. We cannot ignore the influence of Southern-raised black televangelists. And even more so, James Weldon Johnson's famous poem "The Creation," which is written in the black idiom: And God stepped out on space, And he looked around and said: I'm lonely - I'll make me a world. Paul Moore, North San Juan, Calif...