WASHINGTON — NASA announced March 27 that the launch of its next flagship astronomy spacecraft, the James Webb Space Telescope, will be delayed an additional year and that the mission is likely to overrun its $8 billion cost cap. The agency said that the mission, whose launch had already slipped from October 2018 to May-June 2019 because of technical problems, will now launch "approximately" in May 2020. A formal launch date will come this summer after the completion of additional reviews, including one by a new independent review board. "With all the flight hardware 100 percent complete, we're approaching the finish line for launch readiness. However, it looks like we have a ways to go before we cross that finish line," said Thomas Zurbuchen, NASA associate administrator for science, in a teleconference with reporters that itself experienced an interruption due to a glitch. |
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