Astronomy Quiz

What is a galaxy?

• A cluster of comets

• A group of asteroids

• A system of stars bound by gravity

• A collection of planets

Which galaxy contains our solar system?

• Andromeda

• The Milky Way

• The Kuiper Belt

• The Oort Cloud

What is the Kuiper Belt composed of?

• Rocky planets

• Gas giants

• Liquid oceans

• Icy bodies and dwarf planets

When were Voyager 1 launched?

• 1993

• 1985

• 1977

• 1969

Which star is the closest known to the Sun?

• Alpha Centauri

• Sirius

• Betelgeuse

• Proxima Centauri

What is the estimated diameter of the Milky Way?

• 200,000 light-years

• 50,000 light-years

• 10,000 light-years

• 100,000 light-years

What is the universe described as?

• A closed system

• A constantly evolving system

• A static entity

• A two-dimensional plane

When did the Big Bang occur?

• 1 billion years ago

• 5 billion years ago

• 14 billion years ago

• 10 billion years ago

What is the source of long-period comets?

• The Scattered Disc

• The Asteroid Belt

• The Oort Cloud

• The Kuiper Belt

What is the closest spiral galaxy to the Milky Way?

• The Kuiper Belt

• The Oort Cloud

• Andromeda

• Proxima Centauri