People and Space Crossword

the path a body follows as it travels around another one in space
collection of large and small bodies (planets, moons) that orbit around a central star
the force of attraction between objects due to their masses and distances between them
the process of setting a rocket or spacecraft in motion
the minimal velocity an object needs in order to go around Earth
a vehicle that is used to travel beyond earth
protects spacecraft and crew from overheating
type of spacecraft landing in the ocean
these are used to slow down spacecraft before landing on the moon
type of communication between astronauts and controllers on the ground
feeling due to the loss of gravity in space
small particles of dust or rock; can damage spacecraft
way food is preserved and packaged on a space flight
process of reclaiming, treating and reusing water in space
astronauts must to this keep bones and their hearts strong
location in space where astronauts stay for extended time
clothing worn by astronauts