Planets
Stars
Solar System
Space Missions
Universe
100

What's the biggest planet?

Jupiter

100

What is the closest star to the Earth?

The Sun

100

In the solar system, there is only one place that has life. Where is it?

The Earth

100

What was the first mission that put humans on the Moon?

Apollo 11
100

What event created the universe?

The Big Bang

200

True or False: Jupiter has the most moons in the solar system.

False, Saturn has the most moons

200

True or False: The speed of light is 186,000 miles per second.

True

200

True or False: The asteroid belt is located between Jupiter and Saturn.

False, it is between Mars and Jupiter

200

True or False: 11 countries have collaborated together on the International Space Station

False, 15 countries have

200

True or False: The universe is constantly expanding.

True

300

What is the hottest planet in the solar system?

Venus

300

Which type of star is the hottest based on its surface temperature: a red star, yellow star, or blue star?

Blue star

300

Where is Olympus Mons (tallest mountain in the solar system) found?

Mars

300

Which NASA mission became the first crewed mission to fly around the Moon since Apollo 17?

Artemis 2

300

What is the name of the region of space that is incredibly dense and has a gravitational pull so strong that even light can't escape?

Black hole

400

How old is the Earth?

4.5 billion years

400

What is the name of the event where a star explodes in a stellar explosion?

Supernova

400
Where are the strongest winds found in the solar system?

Neptune

400

Which company/organization has the most satellites in orbit?

SpaceX

400

How old is the universe?

Around 14 billion years old

500

What planet could theoretically float in water?

Saturn

500

If the Sun disappeared, how long would it take for people on Earth to notice?

8 minutes 20 seconds

500

How many dwarf planets are recognized in the solar system?

5

500

What is the furthest human-made object from Earth?

Voyager 1

500

Regular atoms (like stars, planets, and us) make up only about 4.9% of the universe. What makes up the rest of the 95.1%? 

Dark matter or dark energy

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