the layer of gases that surrounds a planet

the expanse that exists beyond the Earth and between celestial bodies

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

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

the third planet from the Sun in our solar system

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

a celestial body moving in an elliptical orbit around a star

Global Positioning System

a visual representation or likeness of an object

a trip that goes in one direction, without a return

a vehicle designed for space travel

someone who advocates for the protection and preservation of the environment and wildlife

a celestial body that orbits around a planet