Why the inner planets don't have rings like the outer planets?
What are inner planets and outer planets? Name them.
Match items in column A with one or more items in column B.
A B
(i) Inner planets (a) Saturn
(ii) Outer planets (b) Pole star
(iii) Constellation (c) Great Bear
(iv) Satellite of the Earth (d) Moon
(e) Earth
(f) Orion
(g) Mars