1 of 10

Slide Notes

DownloadGo Live

Abby G's Astronomy Timeline

Published on Nov 19, 2015

No Description

View Outline

MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

ARISTOTLE

  • 384-322 BCE
  • His model placed the moon, sun, planets, and stars on a series of circles that surrounded earth
2.

ARISTARCHUS

  • 310-230 BCE
  • Attempted to measure the relative distance to the moon and sun
3.

PTOLEMY

  • 100-170 CE
  • Developed a geocentric model
4.

NICOLAUS COPERNICUS

  • 1463-1543
  • developed a simple heliocentric model of the solar system
  • The model explained planetary retrograde motion and overturned Greek astronomy
5.

JOHANENES KEPLER

  • 1571-1630
  • Established the most exact astronomical tables then known
  • Established the three laws of planetary motion
6.

GALILEO GALILEI

  • 1564-1642
  • Made improvements to telescope
7.

ISAAC NEWTON

  • 1643-1727
  • Developed theories of gravitation and mechanics
  • Invented differential calculus
8.

EDWIN HUBBLE

  • 1889-1953
  • First to measure distance to the Andromeda nebula, establishing it to be a separate galaxy
  • Measured distances to other galaxies
  • Discovered that galaxies recede at a rate proportional to their distance
9.

JAMES LUDLOW ELLIOT

  • 1943-2011
  • Discovered the rings of Uranus
10.

CLYDE TOMBAUGH

  • 1906-1997
  • Discovered planet Pluto

Abby Gray