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2015 BCE
The Big Bang
13.8 billions of years ago, scientists believe that is when all te universe started. -
19 BCE
The Birth of Astrophisics
The birth of science because of the spectroscope -
3 BCE
Earth evolved around the Sun
The greek astronomer Aristarchus of Samos suggested that the earth revolved around the sun. -
2 BCE
Classification of the stars
The greek astronomer Hiparchus classified the stars depending on its shiness -
1 CE
Astronomic model
Ptolemy suggested a geocentric astronomic model. With the Sun, the moon, and the five known planets -
The Telescope
The first time that Galileo Galiley watch the stars on a telescope -
First different telescope
Isaac Newton built the first telescope with mirrors -
The Principles of Natural Philosophy
Newton publishes his book called: The Principles of Natural Philosophy, which he explained the laws of the movements of the planets -
Newton´s Laws
Edmund Halley explained Newton´s Laws -
Meassured Distance
F.W. Bessel measured the distance from a star for the first time -
Planet Neptune
The Discovery of Neptune -
Hubble prove
Proved that some nevulas are actually galaxies -
Planet Pluto
The discovery of the planet Pluto -
Extra-Solar Planets
The discovery of extra -solar planets
