History of Astronomy Timeline

Astronomy

Period: Jan 1, 1500 to Feb 9, 2016

Nicolaus Copernicus-Polish Cleric

Feb 9, 1543

First Geometry Proof of Heliocentric Theory

Tycho Brahe-Danish Nobleman-MathemaicianAstronomer

Feb 9, 1576

-Founded Uraniborg Observatory
-Took DETAILED measurement for 25 years-First Asttronomy Database

Johannes Kepler-BRILLIANT German Mathematician/Astronomer

Feb 9, 1609

Publishes Second Law of Planetary Motion

Galileo Galilei-Italian Renaissance Man

Feb 9, 1609

Fist Use of Telescope for Astronomy
OBSERVED:
-sunspots and craters on the moon
-4 biggest moons of jupiter in their orbitals

Johannes Kepler-BRILLIANT German Mathematician/Astronomer

Feb 9, 1609

Publishes First Law of Planetary Motion

Johannes Kepler-BRILLIANT German Mathematician/Astronomer

Feb 9, 1619

Publishes Third of Planetary Motion

Albert Einstein-German Physicist/Genius

Feb 10, 1915

Theory of General Reletivity
-explains how gravity works

Edwin Hubble-American Astronomer

Feb 10, 1926

Discovers other galaxies

Edwin Hubble-American Astronomer

Feb 10, 1929

Galaxies are all flying away from each other

Brian Schmidt, Saul Permutter, Adam Reiss

Feb 10, 1998

Discovered the expansion of the universe is ACCELERATING

Bibliography

Feb 10, 2016

Works Cited
Bascom, Heather. "History of Astronomy." Romig Middle School, Anchorage. 5 Feb. 2016. Lecture.
Brahe, Tycho. Uranienborg Ubt. N.d. Wikipedia.org, n.p.
Copernicus, Nicolaus. Heliocentric Theory. N.d. Pbs.org, n.p.
Ellis, R. Hubble Discovers Oldest Known Galaxy. N.d. Nationalgeographic.com, n.p.
Hevelius, Johannes. An Astronomer Observes the Sky. N.d. Historytoday.com, n.p.
Kepler, Johannes. Kepler's First Law. N.d. Phys.utk.edu, n.p.
Kepler, Johannes. Kepler's Second Law. N.d. Physics