Planets
How many planets are there?
8
What is the main fuel of our sun?
Hydrogen
Hot dense state
What type of star will our sun become next?
Red giant
What are the two types of satellite?
Natural Artificial
Which planet is 2nd from the sun?
Venus
What process powers the sun?
Fusion
When was the Big Bang?
13.7 billion years ago
What will a red giant become at the end of its life?
White dwarf
What is the heaviest element that can be formed in a main sequence star?
Iron
Which planet is 5th from the sun?
Jupiter
What do we call the cloud of dust and gas our sun formed from?
Nebula
What happens to the light from a galaxy that is moving away from us?
It gets stretched
Looks redder
What do we call the explosion of a super red giant?
Supernova
What do we call our galaxy?
Milky Way
What do we call small objects orbiting the sun like Ceres and Pluto?
Dwarf planets
What type of star is our sun?
Main sequence
The galaxies that are further away are moving away faster TRUE / FALSE
TRUE
What two things are formed after a supernova?
Black hole
Neutron star
What force keeps satellites in orbit and allows stars to form?
Gravity
Between which two planets is the asteroid belt?
Mars and Jupiter
What do we call a star before it has started to do fusion and shine?
Protostar
What happens to the light from galaxies that are moving towards us?
It gets shorter
It looks bluer
What is the final stage of our sun's life cycle?
Black dwarf
What happens to the speed of a satellite when it moves further away from the Earth?
It slows down