First year of secondary education
The Earth and the Universe
José Luis San Emeterio
 Universe 
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Our planet, the earth, is no more than a small point in a universe full of worlds. Understanding this should fill us  with humility and ambition. 

With the humility of someone who perceives how small we are compared to the cosmos. With the ambition to penetrate deeper and deeper into the mysteries which it embodies

By learning about the universe we were able to make precise calendars and guide ourselves in the exploration of the earth. 

The knowledge of the nature and evolution of heavenly bodies also brings us the answer to many questions about the origin and destiny of mankind. 

Click on next to see the objectives which we propose in this short introduction to the study of the universe or click on the drop-down menu at the side to go directly to our intellectual adventure. 

 

 

 

 

 

 

 

 

 

 

The Earth's movement
Does the Earth move?
Rotation of the planet
Translation. The seasons
Conclusions
The solar system
The sun and the moon
The planets
The rest of the solar system
Conclusions
The sun and the stars
What are fixed stars?
Life and death of the stars
Conclusions
The known universe
The Milky Way
Other galaxies
Conclusions
Evaluation