The first international spacecraft is ______
the Apollo-Soyuz
Mir
Skylab
Hubble
In ________, Apollo 11 landed on the Moon.
1959
1969
1979
1949
Engineers built spacecraft that astronauts could live and ___ experiments.
discover
observe
develop
perform
In 1961, Yuri Gagarin became the first person to orbit ________
the Moon
the Sun
Mars
the Earth
Yuri Gagarin is a/an ________ astronaut.
Russian
American
European
Canadian
Some satellites are used for communication, GPS, and _________
weather forecasting
performing experiments
sending people into space
housing astronauts
The Hubble telescope is a _______ that observe the solar system and the universe.
satellite
sample
equipment
space station
______ spacecraft are an integral part of the discovery of our solar system and beyond.
scientific
unmanned
effective
international