a vehicle designed for space travel

Global Positioning System

unable to find one's way or unable to be located

the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets

a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction

the third planet from the Sun in our solar system

a person who is trained to travel in a spacecraft

to find something for the first time

a voyage from one place to another that involves going into space

a gesture, action, or sound conveying information or an order

the curved path of a celestial object or spacecraft around a star, planet, or moon

the layer of gases that surrounds a planet

the activity of traveling from one place to another, particularly over long distances