a vehicle designed to obtain scientific information from space, planets, etc, and be recovered on returning to earth.

a small door or opening

the line where the earth or sea seems to meet the sky

of or relating to the moon

a part of a space vehicle that can work alone.

isolation of people, animals, or things (as plants​) out of a certain area to prevent the spread of disease or pests

a task that is assigned or begun

zero gravity

lacking physical strength, especially as a result of age or illness

a disturbed and unpleasant condition of the stomach

a vehicle for travel beyond the earth's atmosphere

an act of traveling from one place to another

very determined : having or showing a lot of determination

large natural objects that orbit, or travel around, stars

a small object that orbits, or revolves around, a larger object in space

the gases surrounding the earth or other similar objects in outer space