The height above sea level
altitude
A person whose job involves travelling and working in a spacecraft
astronaut
It’s the scientific study of the sun, moon, stars, planets, etc.
astronomy
the state of weightlessness
microgravity
having the form of parabola
parabolic
a small railroad, esp. in an amusement park, with open cars that travel quickly along a steep, curved track that goes up and down over and over.
roller coaster
A satellite is an object in space that orbits or circles around a bigger object.
satellite
A telescope is a tool that astronomers use to see faraway objects.
telescope
a spacecraft in the shape of a tube that is driven by a stream of gases let out behind it when fuel is burned inside
rocket
a curved path followed by a planet or an object as it moves around another planet, star, moon, etc.
orbit
