Unit 1 W1 The Earth
Put these 5 distances in order of increasing size and say what they are
| Diameter of Earth | |
| Earth to Moon Distance | |
| Earth to Sun Distance | |
| Diameter of Sun | |
| Diameter of Moon |
What is meant by Perihelion and Aphelion?
In what months do they occur?
Sketch the Earth spinning on a titled axis. Show how big this angle is on your sketch.
Is the Earth a perfect sphere?
If you walked to the North Pole how would you know you had arrived?
What are the following?
a) The equator
b) The ecliptic
c) The ecliptic plane