1. We now have evidence to support the Big Bang Theory.
a) State two pieces of evidence that scientists have provided that support the Big Bang Theory.
b) Provide a description of how each piece of evidence supports ideas in the Big Bang Theory.
2. Various technologies that were originally developed in space exploration programmes has proved to be useful in everyday life.
a) Write down one technology that was originally developed for a space programme that is now used in everyday life.
b) Describe briefly how the technology benefits society.
3. An astronomer views the following objects in the night sky:
Jupiter, which orbits the Sun;
Europa, which orbits Jupiter;
The Andromeda Galaxy.
a) Which of the objects mentioned is a moon?
b) Which of the objects mentioned is a planet?
c) Which of the objects mentioned is a star?
4. Scientists searching for exoplanets use the Astronomical Unit. 1 A.U. is the distance from the Sun to Earth. The “Habitable Zone” is the range of distances from a star which could be suitable for a planet to support life.
If a planet is orbiting a star which is twice as luminous (bright) as the Sun:
a) Provide an estimate of the distance that the planet would have to be from the star in Astronomical Units.
b) Give a reason for your answer.