The 2 movements of the Earth
Rotation and Revolution
The movement that causes day and night
rotation
The movement that causes the seasons of the year
revolution
What kind of celestial body is the Sun
A star
The Sun's temperature
5800 deegres
How old is the Sun?
4.5 billions of years
Main characteristic of inner planets
they are small and rocky
Main characteristics of outer planets
they are large and made up of gases
How many phases of the moon are there?
8
The number of days that it takes to the moon to orbit the Earth
27 days
