Question

which list gives key events regarding the exploration of space in the correct order, beginning with the earliest? (1 point)
first space shuttle flight, hubble space telescope launch, last humans on the moon
first humans in space, first space shuttle flights, first humans on the moon
first humans on the moon, first humans on mars, launching of the international space station
first humans on the moon, first lander on mars, first space shuttle flight

Explanation:

The first humans on the moon was in 1969 (Apollo 11). The first lander on Mars was Viking 1 in 1976. The first space - shuttle flight was in 1981 (Columbia). This option has events in the correct chronological order. The first humans in space (Yuri Gagarin in 1961) should come before the first moon landing. There have been no humans on Mars yet. And the first space - shuttle flight should come after the moon landing and Mars lander events.

Answer:

D. first humans on the moon, first lander on Mars, first space shuttle flight