Outer Space Basics
Exploring the Cosmos
The Solar System
Stars and Galaxies
Space Exploration
100

What is the name for everything that exists — stars, planets, and galaxies together?

A) The Solar System

B) The Universe 

C) The Milky Way 

D) The Atmosphere

B) The Universe

100

What do we call a person who travels into space?

A) Pilot 

B) Astronaut 

C) Cosmonaut 

D) Engineer

B) Astronaut

100

Which planet is closest to the Sun?

A) Venus 

B) Mercury 

C) Earth 

D) Mars

B) Mercury 

100

What is the name of the galaxy that Earth is part of?

A) Andromeda 

B) Milky Way 

C) Whirlpool 

D) Orion

B. Milky Way 

100

What was the first satellite sent into space?

A) Apollo 11 B) Sputnik 1 C) Voyager D) Hubble

B) Sputnik 1

200

What is the name of the star at the center of our solar system?

A) Alpha Centauri 

B) The Sun 

C) Polaris 

D) Sirius

B) The Sun

200

What does Earth do once every 24 hours to create day and night?

A) Revolve 

B) Orbit 

C) Spin 

D) Rotate

D. Rotate

200

What planet is known as the “Red Planet”?

A) Jupiter 

B) Saturn 

C) Mars 

D) Neptune

C) Mars

200

What is the main gas that fuels stars and allows them to shine?

A) Oxygen 

B) Hydrogen 

C) Nitrogen 

D) Carbon

B) Hydrogen

200

Who was the first person to walk on the Moon?

A) Buzz Aldrin B) Neil Armstrong C) Yuri Gagarin D) Alan Shepard

B) Neil Armstrong

300

What do we call a large collection of billions of stars, gas, and dust held together by gravity?

A) A Galaxy 

B) A Nebula 

C) A Cluster 

D) A Meteor

A) A Galaxy

300

What’s the name of the path a planet follows as it moves around the Sun?

A) Rotation 

B) Orbit 

C) Axis 

D) Revolution

B) Orbit

300

What are the rings around Saturn mostly made of?

A) Gas 

B) Dust and Ice 

C) Rock 

D) Clouds

B) Dust and Ice

300

What do we call the explosion that marks the end of a massive star’s life?

A) Nova 

B) Meteor 

C) Supernova 

D) Galaxy Burst

C) Supernova

300

What was the name of the space telescope that gave us detailed images of galaxies and nebulae?

A) Hubble Telescope B) Galileo Telescope C) Kepler Telescope D) Webb Telescope

A) Hubble Telescope

400

What tool lets scientists see faraway stars and planets?

A) Microscope 

B) Telescope 

C) Satellite 

D) Periscope

B) Telescope

400

Why can’t sound travel in outer space?

A) It’s too cold 

B) There’s no air 

C) Gravity blocks it 

D) The Sun absorbs it

B) There’s no air

400

Which planet is the largest in our solar system?

A) Earth 

B) Uranus 

C) Jupiter 

D) Saturn

C. Jupiter

400

What color are the hottest stars in space?

A) Red B) Blue C) Yellow D) White

B. Blue

400

Which NASA mission successfully landed the first humans on the Moon?

A) Apollo 8 B) Apollo 11 C) Gemini 6 D) Mercury 7

B) Apollo 11

500

What invisible force keeps the planets moving in orbits around the Sun?

A) Friction 

B) Electricity 

C) Gravity 

D) Magnetism

C) Gravity

500

What are the two main shapes of galaxies shown in the episode?

A) Round and Square 

B) Elliptical and Spiral 

C) Flat and Cube 

D) Ring and Wave

B) Elliptical and Spiral

500

Which planet rotates on its side, making it unique?

A) Neptune 

B) Venus 

C) Uranus 

D) Mars


C. Uranus

500

What are the leftover cores of dead stars that are extremely dense and pull in light called?

A) Neutron Stars B) Pulsars C) Black Holes D) White Dwarfs

C) Black Holes

500

What is the name of NASA’s rover that landed on Mars in 2021?

A) Spirit B) Curiosity C) Opportunity D) Perseverance

D) Perseverance

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