bhp - small scale

Timeline created by cccelestialll
In History
  • AD 1

    Eratosthenes of Cyrene Birth (276 BCE)

    Eratosthenes a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist was born in Cyrene, Libya
  • 50

    Eratosthenes of Cyrene & Cuircumfrence

    Eratosthenes calculated the circumference of the Earth by recognizing the curvature of the Earth and knowing the distance between the two cities enabled Eratosthenes to calculate the planet’s circumference
  • 80

    Eratosthenes of Cyrene & The Well

    Eratosthenes tested a hypothesis using the well at Syene and pole at Alexandria to see if the Sun was directly overhead of the well, but was proven that the Sun is not directly overhead of the well by him
  • 120

    Eratosthenes of Cyrene Death (194 BC)

    Eratosthenes of Cyrene dies in Alexandria, Egypt due to starvation
  • 140

    Ptolemy's Birth (85CE)

    Claudius Ptolemy a famous Greek mathematician, astronomer, geographer and astrologer born in Hermiou, Egypt.
  • 200

    Geocentric View

    Ptolemy introduced this view stated that the Earth was the center of the Universe
  • 276

    Ptolemy's Death (65CE)

    Ptolemy's in Alexandria, Egypt
  • 1473

    Copernicus Birth

    Nicolaus Copernicus is a Polish astronomer was born in Torun, Poland.
  • 1514

    Heliocentric View

    Copernicus circulates his Little Commentary introducing the heliocentric model.
  • 1532

    On the Revolutions of the Celestial Spheres

    Copernicus completes On the Revolutions of the Celestial Spheres but waits before publishing it.
  • May 24, 1543

    Copernicus Death

    Copernicus dies in Frombork, Poland due to a stroke.
  • Dec 14, 1546

    Brahe's Birth

    Tycho Brahe a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations, born in the then Danish, peninsula of Scania
  • Jan 22, 1561

    Bacon's Birth

    Francis Bacon an English Renaissance statesman and philosopher, best known for his promotion of the scientific method was born in London, England
  • 1563

    Brahe's Planet Observation

    Brahe published his recorded observation, a conjunction, or overlapping, of Jupiter and Saturn
  • Feb 15, 1564

    Galileo Galilei's Birth

    Galileo Galilei is a famous astronomer, physicist, and engineer born in Pisa, Italy.
  • Dec 27, 1571

    Kepler's Birth

    Johannes Kepler a German astronomer who discovered three major laws of planetary motion, was born in Weil der Stadt, Germany
  • Descartes' Birth

    René Descartes a French philosopher, mathematician, and scientist was born in Descartes, France
  • Galileo's Supernova Encounter

    Witnessed a Supernova which challenged the claim that no change could take place in the heavens.
  • Brahe and Kepler

    Brahe hired Johannes Kepler as his assistant, which was when Kepler proved that the planets move in elliptical with the help of Brahe's observations
  • Brahe's Death

    Brahe died in Prague, Czechia due to kidney failure
  • Bacon's Rejection

    Bacon rejected Aristotle's view that said there was specific truth to every discipline, however Bacon went against that saying that things should be proven through experiments
  • Kepler's Conjecture

    Kepler proposed that close packing (either cubic or hexagonal close packing, both of which have maximum densities of ) is the densest possible sphere packing, and this assertion is known as the Kepler conjecture
  • Kepler's Laws of Planetary Motion

    Kepler's three laws of planetary motion can be stated as follows: (1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci(3) The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun
  • Bacon's Book

    Bacon released his book Novum Organum which contained the method we know now as "The Scientific Method", this method were to replace the methods put forward in Aristotle's Organon
  • Bacon's Death

    Bacon died in Highgate, London due to pneumonia
  • Kepler's Death

    Kepler died in Regensburg, Germany due to illness
  • Locke's Birth

    John Locke an English philosopher and physician, widely regarded as one of the most influential of Enlightenment thinkers and commonly known as the "Father of Liberalism" was born in Wrington, United Kingdom
  • Descartes' Theory

    Descartes believed that you should not trust something until you see it proven by math or logic. However, he thinks that if he is thinking than he is living
  • Descartes' Cartesian Skepticism

    Descartes was a person who questioned whether anything can be known with certainty, he went so in depth with that so he questioned whether we know if anything is actually real, and these thoughts are known as cartesian skepticism
  • Galileo's Death

    Passes away in Florence, Italy due to a high fever.
  • Newton's Birth

    Isaac Newton a famous mathematician, physicist, astronomer, theologian, and author was born at Woolsthorpe Manor in Lincolnshire, England.
  • Descartes' Death

    Descartes dies in Stockholm, Sweden due to pneumonia
  • Galileo Viewing Jupiter's Moons

    Witnessed Jupiter's moons which challenged Ptolemy's theory.
  • Mathematical Principles of Natural Philosophy

    Newton published his book Mathematical Principles of Natural Philosophy, which was proved to be one of the most influential works in the history of science. In its pages, Newton asserted the three Laws of Motion, elaborated Johannes Kepler’s Laws of Motion, and stated the Law of Universal Gravitation.
  • Locke's Idea of Epricism

    Locke published this idea of empiricism which states that we are born not knowing anything and that we gain knowledge from what we learn
  • Locke's Primary and Secondary Qualities

    Locke agreed with descartes that although we think something is true, how do we know for sure that it is true ; he also believes in primary and secondary qualities ; primary qualities are qualities that physical objects themselves have (solidity, mass, density, width, figure, mobility) ; secondary qualities are not real, only in our minds (the color, taste, sound, texture, smell)
  • Locke's Death

    Locke died in High Lver, United Kingdom due to bad health
  • Newton the Knight

    Newton was made a knight by Queen Anne.
  • Newton's Death

    Newton dies in London, England in his sleep
  • Mendeleev's Birth

    Dmitri Mendeleev a famous Russian chemist and inventor, mainly known for building the periodic table, born in Tobolsk, Siberia, Russia.
  • Organic Chemistry Book

    Mendeleev publishes textbook, Organic Chemistry, which wins the prestigious Demidov Prize
  • Curie's Birth

    Marie Curie a famous Polish and naturalized-French physicist and chemist was born in Warsaw, Poland.
  • Leavitt's Brith

    Henrietta Leavitt a famous American astronomer was born in Lancaster, Ma.
  • The Periodic Table of Elements

    Mendeleev devised the periodic table of elements
  • Wegener's Birth

    Alfred Wegener a German polar researcher, geophysicist and meteorologist was born in Berlin, Germany.
  • Hubble's Birth

    Edwin Hubble a famous American astronomer was born in Marshfield, Missouri.
  • Discovery of Radium & Polonium

    Curie Announces discovery of radium and polonium.
  • Discovery of 2400 Cepheid Variable Stars

    Leavitt discovers 2400 Cepheid variable stars and develops her period-luminosity theory.
  • University of Berlin

    Wegener received a PhD in astronomy from the University of Berlin
  • Hess's Birth

    Harry Hammond Hess a geologist and a United States Navy officer in World War II was born in New York, New York.
  • Mendeleev's Death

    Mendeleev dies in St. Petersburg, Russia due to the flu.
  • Curie's Nobel Prize

    Curie receives second Nobel Prize, this time in chemistry.
  • Table of 25 Different Cepheid Variable Periods

    Leavitt publishes a table of 25 different Cepheid variable periods.
  • The origin of Continents and Oceans

    Wegener published this text, which included his claim that about 300 million years ago, the continents formed a single mass that he labeled “Pangaea,” a Greek word meaning “whole Earth"
  • Leavitt's Death

    Leavitt dies in Cambridge, Ma due to stomach cancer.
  • Wegener's Death

    Alfred Wegener died in Clarentania, Greenland due to heart failure.
  • Curie's Death

    Curie dies in Savoy, France due to leukemia.
  • Hale Telescope

    Hubble helps design the Hale Telescope On Mount Palomar in California.
  • Asteroid 1373 Cincinnati

    Hubble discovers asteroid 1373 Cincinnati.
  • Hubble's Death

    Hubble dies in San Marino, California due to heart attack.
  • Theory of History Ocean Basins

    Harry Hess published this theory stating that the Earth’s crust had been moving away on each side of oceanic ridges, down the Atlantic and Pacific oceans, that were long and volcanically active, which was called "seafloor spreading".
  • Hess's Death

    Harry Hess died in Woods Hole, Massachusetts due to a heart attack.