SPECTACULAR SPACE !

A galaxy is an enormous cloud of stars and other celestial bodies.

Galaxies have got different shapes.

Our galaxy is called MILK WAY.

A star is a celestial body with a spherical shape. It made of gases and it produces light and heat.

Our solar system includes the Sun and all the celestial bodies .

Planets are large spherical bodies that revolve around a star (Sun).

The Sun is the star at the centre of our  Solar System. The Sun looks like small in the sky, but it's  a giant compared to the Earth.

Groups:

-----------INNER PLANETS:  Mercury, Venus, The Earth, Mars.

-----------OUTER PLANETS: Jupiter, Saturn, Uranus, Neptune.

-------------DWARF PLANETS:  Pluto, Eris ...

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THE EARTH
We live on this Planet .
It is the third planet in order from The Sun.
This planet has got one satellite. It's called "Moon". We always see the same side of the Moon. The Moon is much  smaller than Earth.
The Moon sometimes passes between The Sun and Earth. This is a solar eclipse.
The earth has got two movements : Rotation and Revolution.
It's a sphere .
The earth rotates constantly in the same direction.
It takes twenty four hours . It causes day and night.
The earth revolves around the Sun. It takes one year.
Life on Earth began in the oceans.
Its atmosphere is a mixture of gases:  Nitrogen, oxygen, water vapour, carbon dioxide...

PLANET QUIZ

• What is our planet like?
• How old is the Solar System?
• What different types of water are on the Earth?
• What is in the sky?
• When do we see the Sun  ?
• When do we see the Moon?
• How old is the Moon?
• Why is there day and night?
• Why are  there different seasons ?