title: Far-sighted vision.
mesh_terms: D001256:Astronomy / Q000191:economics / Q000295:instrumentation / Q000639:trends; D002017:Budgets / Q000639:trends; D003625:Data Collection; D015397:Program Evaluation; D012106:Research / Q000191:economics / Q000639:trends; D013997:Time Factors; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000191:economics* / Q000639:trends