WJEC GCSE Physics space and the Universe overview quiz quiz
14questions. Pick an answer and you'll see why right away.
What force holds the planets in orbit around the Sun?
What is the main difference between a star and a planet?
What process produces the energy in a star's core?
In a stable star, what balances the inward pull of gravity?
What is the first stage in the life cycle of every star?
What does a star like the Sun become when it leaves the main sequence?
How does a high-mass star end its life?
What is left after a low-mass star sheds its outer layers?
What is red shift?
What does the red shift of almost all galaxies show?
Which galaxies have the greatest red shift?
According to the Big Bang theory, the Universe began as
What is the cosmic microwave background radiation?
Which two pieces of evidence support the Big Bang theory?