C2 Vocabulary about space exploration

unmanned

without people in it ( word family: manned)

orbit

fly in a circle around ( word family: orbital)

mission

a military or scientific operation for a particular purpose

crew

the people working on a spaceship, plane, ship etc

launch

send up into the sky

exploration

the act of travelling somewhere to learn about it ( word family: explore, explorer, exploratory)

shuttle

a space craft that can go back and forth into space

frontier

border between two places, countries etc, the edge or limit of something

gravity

the natural force that pulls things back to the surface of the Earth ( word family: gravitational, gravitation, gravitate)

satellite

an object sent into space to orbit the earth

astronaut

person qualified to fly in the space

usher in

introduce, announce or show something new

probe

to investigate/look into something

re-evaluation

the act of looking at something again to decide if it is still suitable or correct ( word family: re-evaluate, evaluate, evaluation)

compatible

matching, working well with ( word family : compability)

solar system

the sun and the planets etc that in influences

constellation

a group of fixed stars

military

of the army, navy, air force

civilian

not connected to the military

scientific pursuit

research, exploration, investigation etc connected to science

robotics

the design, study or oparion of robots