Question

The story of space exploration began with unmanned exploration, moved into a period of manned exploration, and now appears

A. to have become uninteresting.
B. to have stopped altogether.
C.to have become a hobby for the average person.
D. appears to be moving back toward unmanned exploration in the form of deep-space satellite exploration.

The planet in the solar system that is most similar to earth is...
A. Saturn
B. Jupiter
C. Pluto
D. Mars

NASA continues to plan and conduct several missions to study...
A. other moons since the planets are all boring
B. other culture
C. other planets and moons in the solar system and beyind
D. other oceans

One of the many missions that NASA is currently conducting is locating other...
A. lifeforms
B. comets
C. other solar systems in the Milky Way Galaxy
D. asteroids

What are some of the obstacles to exploration of outer planets or even Venus right next door?
A. coping with the extreme atmospheres
B. enough supplies and equipment for the trip
C. cost
D. distance

Answer 1

1) D. appears to be moving back toward unmanned exploration in the form of deep-space satellite exploration.

2) D. Mars

3) C. other planets and moons in the solar system and beyond

4) A. lifeforms

5) A. coping with the extreme atmospheres