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Lately, NASA's human space flight activities have taken a back seat to news about the agency's effort to capture comet dust and launch a probe to Pluto. That may be just as well, because some of the astronaut-related activities are, well, a little strange. Here's NASA's update on an upcoming spacewalk by International Space Station inhabitants Bill McArthur and Valery Tokarev:

During the walk, the crew will release the unusual SuitSat satellite. It's an old Russian Orlan spacesuit outfitted with amateur radio equipment. It will fly freely for several weeks of scientific research and amateur radio tracking. Eventually, SuitSat will burn up in the atmosphere.