astronomy

aristotle

383 BCE

aristotle was a greek philosipher

ptolemy

100

he was he Greco-Roman mathematician, astronemer, geographer, astrologer he lived in the roman provience of Egypt and wrote koine greek and had roman citzenship he discovered geocentric because he thought the earth was in the middle of our unirverse

copernicus

1473

he was a rennisence are mathematician and an astronimer and he discovered that the sun is in the middle of the universe not the earth

Tycho Brahe

1546

Tycho Brahe was a danish nobleman, astronomer, and a writer he helped say that the earth was not in the middle of the universe and that the sun is the middle

Galileo

1564

Galileo constructed a telescope and discovered that Venus had phases like the moon and so does Jupiter

Hans Lippershey

1570

Hans Lippershey invented the telescope

Johannes Kepler

1571

he discovered that all the planets elliptical orbits with the sun

sir isaac newton

1643

newton was english mathmetition astronimer he worked on gravity and he formend the 3 laws of physics and he invented the reflective telecope