"I'm one of the most durable and fervent advocates of space exploration, but my take is that we could do it robotically at far less cost and far greater quantity and quality of results."

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The news media reported the $250 million as an unthinkably huge waste of money and proclaimed that something was wrong with NASA. The result was an investigation and a congressional hearing. Not to defend failure, but $250 million is not much more than the cost to produce Kevin Costner's film flop Waterworld.

— Neil deGrasse Tyson