Space physics

Which is the correct order of celestial objects from largest to smallest

• Planet, Moon, Asteroid, Star

• Universe, Star, Galaxy, Moon

• Galaxy, Moon, Planet, Asteroid

• Galaxy, Star, Planet, Asteroid

Our galaxy is called...

• Mars

• Lion

• Double Decker

• Milky Way

What is the collective term for Jupiter, Saturn, Uranus and Neptune?

• Terrestrial Planets

• Gas Giants

• Oort Cloud

• Gas Dwarves

Which former planet is now characterised as a dwarf planet?

• Neptune

• Pluto

• Jupiter

• Eres

Which planet is closest to the Sun?

• Uranus

• Mercury

• Neptune

• Earth

Which is the sixth planet from the Sun?

• Earth

• Uranus

• Saturn

• Neptune

How many planets are there in our solar system?

• 6

• 7

• 8

• 9

What is the name given to objects made of ice and dust that orbit the Sun

• Dwarf Planets

• Comets

• Asteroids

• Planets

The _________ is a region between the planets Mars and Jupiter containing thousands of rocky objects orbiting the Sun

• Oort Cloud

• Comet Belt

• Asteroid Belt

• Galaxy

How many stars are estimated to be in our galaxy

• 200

• 200 thousand

• 200 million

• 200 billion