Front

Which Galaxy is part of our cosmic address? Options: the Milky Way Galaxy, the Andromeda Galaxy, the Large Magellanic Cloud, the Whirlpool Galaxy

Back

the Milky Way Galaxy

Front

Distances in deep space are so large that scientists often measure them in units of _____

Back

light years

Front

The light-year is a measure of _____

Back

distance

Front

In one second light can travel around the whole Earth _____

Back

seven times

Front

A light year is the distance that light travels _____

Back

in one year

Front

If the solar system was the size of a classroom, _____ would be the size of a grain of salt

Back

the Sun

Front

If the solar system was the size of a classroom, _____ would be the size of a compact disc.

Back

the Earth's orbit

Front

If the Milky Way was the size of a classroom, _____ would be the size of a playing die

Back

our solar neighbourhood

Front

If the observable universe was the size of a classroom, the Milky Way would be _____

Back

microscopic, like a bacterium

Front

How long does it take for light from Proxima Centauri to reach Earth?

Back

4 years