"The cost of solving those means that under current budgets, or slightly expanded budgets, it's going to take about 25 years to solve those," said former NASA astronaut Tom Jones, who flew on four space shuttle missions before retiring in 2001.
from Top World News- News18.com https://ift.tt/2qIpTrX
from Top World News- News18.com https://ift.tt/2qIpTrX
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