Question

Which of the following objects is NOT normally used in current space exploration?

a. space shuttles
c. single use rockets
b. space stations
d. space probes

Answer 1

space probes

Step-by-step explanation:

Answer 2

a). Space shuttles.
Yes. NOT current.
The last space shuttle flight was in July 2011.

b). Single-use rockets.
No. Current.
The first successful test of a re-usable booster
took place just in the last few weeks.
Currently, EVERYTHING is single-use.

c). Space stations.
No. Current.
The International Space Station is currently operational.

d). Space probes.
No. Current.