The Sun is at the centre of our solar system.
What type of object is the Sun?
What is the name of the galaxy that our solar system is part of?
Table 1 gives information about some of the moons in our solar system.
| Moon | Radius in kilometres |
|---|---|
| Ganymede | 263026302630 |
| Triton | 135013501350 |
| Phobos | 111111 |
What is a moon?
A student researched the radius of some other objects in the solar system:
The student made the following conclusions:
Give one reason why each of the student's conclusions is wrong. Use the data given above and in Table 1.
19 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.