Debra Fischer: NASA is funding study on launching LUVOIR with SpaceX's BFR.Primary option still SLS Block 2, but if it isn't ready there are private sector alternatives.#Exoplanets2— Ryan MacDonald (@MartianColonist) July 6, 2018
Debra Fischer: NASA is funding study on launching LUVOIR with SpaceX's BFR.Primary option still SLS Block 2, but if it isn't ready there are private sector alternatives.#Exoplanets2