29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
Download
Export
Duplicate
Embed
Edit
584 views
0
0
New timeline
Created by
Robert
⟶ Updated 6 Aug 2017 ⟶
List of edits
Comments
Events
Aristotle describes the Geocentric (earth-centered) model of the universe.
Aristarchus proposes a heliocentric (sun-centered) model of the universe that is widley ignored.
Galileo publishes his dialogue on two wold systems, which argues in favor of heliocentric model of the of the universe.
Isaac Newton publishes Principia Mathematicia in which, among other thing, he explains the law of universal gravity
William Herschel constructs the first map of the milky way galaxy.
Ernst opik demonstrates that the Andromeda nebula lies outside the milky way galaxy.
George Lemaitre proposes the big bang theory.
Edwin Hubble discovers evidence supporting the big bang theory.
Arno Penzias and Robert Wilson discover cosmic microwave backround radiation, further evidence supporting the Big Bang theory.
Neil Armstrong and Buzz Aldrin are the first people to walk on the earth.