WASHINGTON — NASA plans to begin preliminary work this fall on a dark energy-mapping observatory recommended in the National Research Council’s latest 10-year plan for space- and ground-based astronomy, though full-scale development of the new flagship-class mission will have to wait until the agency launches its $5 billion James Webb Space Telescope (JWST), according to officials.
NASA Sees Expanded Role on Euclid as Down Payment on Dark Energy Flagship
