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What
are we doing to look for life elsewhere?
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Recall
that pluto looks to Hubble Space telescope like Mars did to Percival Lowell
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Will
be ever be able to SEE life on other planets?
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only
with dream telescopes:
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Planet
Imager (probably not possible until 2015)
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would
we see canals? probably not
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More
practical search: a spectrum is worth a thousand pictures
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look
for spectroscopically evidence of water, oxygen, ozone, carbon dioxide
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Terrestrial
Planet Finder possible launch in 2010
Best
image of Mars in 1926
Best
image of Pluto in the 1990s
Spectrum
of simulated planet
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