Which technology is nasa developing that will astronauts reach mars?

(short answer )

a. corona
b. freedom
c. orion
d. skylab

NASA’s Orion spacecraft is built to take humans farther than they’ve ever gone before. Orion will serve as the exploration vehicle that will carry the crew to space, provide emergency abort capability, sustain the crew during the space travel, and provide safe re-entry from deep space return velocities. Orion will launch on NASA’s new heavy-lift rocket, the Space Launch System.

C) Orion

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right