Basic Space Terms

Question 1

Astronomy

Answer 1

The scientific study of space (what is beyond Earth)

Question 2

Universe

Answer 2

Everything that exists; matter, space and energy all make up the universe

Question 3

Star

Answer 3

A massive collection of gases that have its own gravity that holds it together and emits large amounts of energy

Question 4

Luminous

Answer 4

The ability to produce and give off light

Question 5

Non-luminous

Answer 5

Not able to produce or give off light so to see it, a luminous object, such as the sun, has to produce light wavelengths that reflect off of the object and into our eyes

Question 6

Planet

Answer 6

A large, spherical object in space (celestial object) that orbits around a star

Question 7

Solar System

Answer 7

the Sun and any other object that travels around it

Question 8

Natural Satellite

Answer 8

A celestial object that orbits around a planet or dwarf planet

Question 9

Artificial Satellite

Answer 9

An artificial object that orbits around Earth

Question 10

Galaxy

Answer 10

A huge rotating collection made up of gases, dust, billions of stars, planets or other celestial objects