which is a plan for the future of space exploration? build a space station astronauts visiting mars…

which is a plan for the future of space exploration? build a space station astronauts visiting mars astronauts orbiting earth build a space observatory

which is a plan for the future of space exploration? build a space station astronauts visiting mars astronauts orbiting earth build a space observatory

Answer

Answer:

B. astronauts visiting Mars

Brief Explanation:

Space - stations and space - observatories already exist in some form. Astronauts orbiting Earth is a current activity. Visiting Mars is a future - oriented plan.