   How to junk the moon As US legislators are now realising, the
first things we might want to protect on the lunar surface are
our own Space Age relics. While the recent Apollo Lunar Park
bill has little hope of making it out of committee and 
conflicts with international treaties, it is an interesting and
admirable proposal.  The moon race of the 1960s placed roughly
60 objects on our natural satellite, including crashed US probes
and Soviet rovers. The most important remnants to many are the
six Apollo landing sites, which represent mankind's first
venture and exploration of another world.  "What does it mean to
preserve and protect things that are human artefacts in space?"
said ecologist Margaret Race, who works with the SETI Institute
on planetary protection. "Neil Armstrong's iconic footprint, for
instance. Is that an artefact or not? You can't pick it up, but
it seems wrong for someone else to step in it."  Already, there
are groups dedicated to preserving at least some of these
objects. The Lunar Leg