Chat, what does EVA mean? How about HST?⁣⁣⁣ ⁣⁣⁣ We asked comedian and TV host RoyWoodJr to decipher some common NASA acronyms.⁣ ⁣ Let us know how you did in the comments!⁣ ⁣⁣⁣ Credit: NASA⁣ ⁣⁣⁣ #NASA #Space #Comedy #RoyWoodJr #WeLoveAGoodAcronym