Contents

Introduction:

What you need to know before starting

Part 1: The light and its properties

The light and its transmission

Different ways to perceive the Universe

Part 2: The Solar System

The Solar System: a general description

The movement of the planets and their distance from the Sun

Our planet, the Earth

The Earth satellite: the Moon

Uranus and Neptune

Pluto and the Kuiper belt

Part 3: The stars

The white dwarfs

Part 4: The galaxies

Our Galaxy, the Milky Way

Elliptical galaxies

Spiral galaxies

Irregular galaxies

Part 5: Cosmology

The evolution of the Universe

The end of our journey

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