activity 3: big bang

There was a kind of very hot bubble that one day exploded. Because of that the universe formed. After the explosion the universe grew larger and cooled.There were two matter and antimatter groups and among them they were destroyed, proton particles and neutrons were created and grouped together and then the atomic atoms were created. These atoms became stars and galaxies.

Activity 2: Astronomer's timeline

Activity 1: Famous Astonomers

Nicolas Copernico	19 – 2 - 1473	Heliocentric theory. He created the that is an astronomical model.
Galileo	15 – 2 - 1564	The telescope and the new astronomy.Main contribution to astronomy was the use of the telescope .
Newton	4 – 1 - 1643	The laws of celestial mechanical dynamics is a celestial mechanics.
Einstein	14 – 3 - 1879	Relativity and the nature of light.
Stephen Hawking	8 – 1 - 1942	Black holes and the history of time.