Inner Planets
Outer Planets
Space Exploration
Space Objects (Sun, Moon, other objects)
Orbits
100

What is the closest planet to the sun?

Mercury

100

Which is larger? Outer or inner planets?

Outer planets

100

What did astronauts wear in space?

Space suits

100

The name of the moon’s phases

Lunar cycle 

100

What is an orbit?

An orbit when a planet rotated around another object

200

All inner planets from the sun in order

Mercury, Venus, Earth, Mars

200

How old is Uranus?

4 billion years old

200

How many people can fit in a average sized spaceship?

5 to 7

200

The name of the planet with rings

Saturn

200

How long does it take the moon to orbit the earth?

1 month

300

Made of iron, silicon, magnesium, sulphur, aluminum, calcium and nickel.

Inner planets / planets

300

 What do you call the rocky path orbiting Neptune?

Kuiper Belt

300

When did the first spacecraft go into space?

October 4, 1957

300

How long does it take to walk the moon?

9 years

300

What keeps objects in space in orbit?

Gravity

400

A day on this planet is approximately 5832 hours

Venus

400

How much percentage does Saturn’s rings hold?

90%

400

Who was the first ever person in space?

Yuri Gagarin

400

When will Halley’s Comet come to Earth (future)

2061

400

What are the three types of orbits the Earth has?

Low orbits, medium orbits and high orbits

500

One whole revolution for this planet is 687 Earth days

Mars

500

What is another name for the 4 outer planets?

Jovian Planets/ Big Gas Stars 



500

What has the Hubble space telescope discovered?

The age of the universe to be about 13 to 14 billion years / discovery of dark energy

500

What year was a comet discovered

1986

500

How often does the sun have an orbit?

Every 230 million years