the totality of all space, time, matter, and energy

a vehicle designed for space travel

a person who is trained to travel in a spacecraft

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

a celestial body that orbits around a planet

the layer of gases that surrounds a planet

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

a label attached to an item, giving information about it

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 visual representation or likeness of an object

to find something for the first time

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

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