Is WFIRST Learning The Wrong Lessons From JWST?

NASA's Dark-Energy Probe Faces Cost Crisis, Scientific American

"Above all, the agency wants to keep WFIRST from following the path of the James Webb Space Telescope (JWST), a successor to the Hubble telescope that is scheduled to launch in 2018. That project's cost spiralled from $1 billion in the early 2000s to $8.8 billion--and nearly exhausted NASA's astrophysics budget. The WFIRST review is meant to stave off that kind of meltdown. "This is a good time to take a look at the scale and scope of the mission," says Jon Morse, a former head of NASA's astrophysics division who is now chief executive of the BoldlyGo Institute, a non-profit space-exploration organization in New York City. "Nobody wants this thing to double in cost."

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