Fresh bid to see exo-Earths.
Ron
R
Cowen
D001256:Astronomy / Q000191:economics / Q000295:instrumentation; D018559:Exobiology / Q000191:economics / Q000295:instrumentation*; D005118:Extraterrestrial Environment / Q000737:chemistry; D019369:Life; D016083:Planets; D061351:Telescopes / Q000191:economics; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000191:economics