Astronomy Quiz Year 9

State the name of the galaxy that the Earth is in

• Snickers

• Mars

• Milky Way

• Crunchie

Define a star

• A celebrity you stalk on Instagram

• An immense spinning ball of hydrogen and helium gas

• An immense spinning ball of nitrogen and oxygen gas

• An immense spinning ball of carbon dioxide formed under pressure

How are planets visible if they do not produce their own light?

• Planets reflect light, which is seen by the eye

• Planets are illuminated by passing meteorites

• Planets emit light, but it cannot be seen by the human eye

• Planets absorb light, illuminating them to the human eye

What is the speed of light

• 3 000km/second

• 3 000 000km/second

• 300 000km/second

• 3km/second

What is the name of the second closest star to Earth

• Alpha Centuari A

• Alpha Centuari B

• Alpha Centuari C

• Alpha Centuari D

Define light year

• The distance light travels in one second

• The distance light travels in 10 years

• The distance light travels in one year

• The distance light travels in one month

How long does it take light emitted from the sun to reach Earth?

• 8 seconds

• 8 minutes

• 8 milliseconds

• 8 hours

A neutron star is a:

• object formed at the end of the life of a small star

• cloud of gas and dust from which a star is born

• explosion when a large red giant collapses

• very dense star formed after a supernova

Define nuclear fusion:

• Atomic nuclei fuse together to form a heavier nucleus with the release of energy

• Nuclear radiation

• The formation of a white dwarf

• The formation of a black hole

A supernova evolves into a ____which has a high mass

• White dwarf

• Neutron star

• Protostar

• Planetary nebula