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Period: 476 to 550
Aryabhata
Aryabhata is a hindu astronomer and a mathamatician and has remarkably advanced astronomical knowledge. And found out that planets move in an elliptical path and the moon and planets shine by reflected sunlight. Arybhata also correctly explained the cause of solar and lunar eclipses. Aryabhata lived in india -
Period: Feb 19, 1473 to May 24, 1543
Copernicus
In 1543 Copernicus published a book abut his new idea. Most people in his day thought that the Earth was in middle of the universe an idea known as geocentric univese. They thought that the stars were little hole in a glass ball which surrounded the earth. Copernicus thought " what if the universe is not centered on the earth ? what if the earth is actually a planet circling the sun " not a lot of people liked his book they would of put him in jail for writing if he did'nt die shortly after that -
Period: Feb 15, 1564 to
Galileo
Galileo is an italian astronomer that invented a telescope and looked at the milky way and discovered that it was made up of millions of stars each at a different distance from earth. Galileo noticed that that the planets Mercury and Venus pass through phases just like the moon and Galileo found out that jupiter has 4 moons and Galileo also fond out that everything falls at the same speed. The most important thing about this is that he was not guessing and he hadproof that this was true -
CSIRO
CSIRO stands for commonwealth science and industrial organisation.