Terr
Pieces of earth or land owned by a certain colony or country
A person who is assigned to travel in a spacecraft to discover stars and planets
of, in, or produced by the air
A stretch of land; or earth
An upright pipe with a spout, nozzle, or other outlet, usually in the street, for drawing water from a main or service pipe, especially for fighting fires.
The pilot of a balloon or other lighter-than-air aircraft
The branch of science that deals with celestial objects like stars
stunts performed in flight by an airplane,glider, or the like.
Operated by, moved by, or employing water or other liquids in motion.
a system of colloidal particles dispersed in a gas;smoke or fog.
Of or from outside Earth's atmosphere
A surface form creating a thrust against water in a direction perpendicular to the plane approximated by the surface.
The branch of science involving the movement of stars and planets
Any of various sustained exercises, as jogging, rowing, swimming, or cycling,that stimulate and strengthen the heart and lungs, thereby improving the body's utilization of oxygen.