NPR's Ayesha Rascoe asks science reporter Joe Palca about the Nancy Grace Roman Space Telescope, which will have a field of view at least 100 times larger than Hubble Space Telescope.
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Joe Palca
Joe Palca is a science correspondent for NPR.
Ayesha Rascoe
Ayesha Rascoe is the host of Weekend Edition Sunday and the Saturday episodes of Up First.