Tuesday, 4 December 2012

How Far and How Big?

How big is the Sun, the Moon and Earth?
How far is the Sun and the Moon from Earth?

Scientists have calculated that the Sun is one hundred times the size of Earth. Earth is four times the size of the Moon.

The Distance from Earth to the Sun is 400 times the distance from Earth to the Moon.

Wednesday, 14 November 2012

Asteroids, Comets and Meteors

Asteroide are huge chunks of rocks that travel round the Sun.


Comets have long glowing tails.


Meteors are tiny rocks which probably come from the asteroid belt.


Our Solar System

The Sun and the nine planet are part of the Solar System. 

The nine planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. The Sun is the centre of the Solar System. 

All the nine planets move around the Sun in a large oval path. The planets also spin by itself.