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100
The Southern Cross - Aboriginal
The aboriginal australians used the southern cross and other constellations for stories and navigation. -
140
Geocentric Theory - Greek
Ptolomy suggests the Geocentric Theory, that Earth is the centre of the universe. -
Jan 1, 1543
Heliocentric Theory - German/Polish
Nicolaus Copernicus proposes the heliocentric theory of the universe, that the sun is the centre of the universe. -
Advances in knowledge of Orbits - German/Polish
Johannes Kepler studies orbits and proposes the idea of elliptical ornits and ctreated equations for orbit times and distances. -
Telescopes - Italian/Danish
Galileo uses a powerful telescope to observe stars and planets. -
Advences in knowledge on Saturn - Italian
Giovanni Cassini discovers gaps in the rings of Saturn, as well as observing the patterns of the moons of Saturn. -
Theory of Universal Gravity - British
Isaac Newton proposes the Theory of Universal Gravity. -
Halley's Comet - British
Edmond Halley discovers the periodic reoccurance of the passing of what is now known as Halley's Comet. -
Discovery of Uranus - British
William Herschell discovers Uranus and two of it's Moons. -
Discovery of Asteroid belt - German/Polish
Johann Bode creates a mathematical equation to find distances from sun and uses it to discover the asteroid belt. -
Creation of wavelength standard - German
Joseph von Fraunhofer measures wavelength from sun and creates a wavelength standard. -
Discovery of Helium in the Sun's atmosphere - British
Joseph Lockyer discovers new alement helium in the Sun's atmosphere.