the Universe by Loreto
Seasons and moon
Retrograde motion of Mars, June to November, 2003 Who is this guy? Use SkyGazer or StarCal to find out!
Simplicity and Truth: an Alternative Explanation of Ockham's Razor Kevin T. Kelly Conor Mayo-Wilson Department of Philosophy Joint Program in Logic and.
Expanding universe
History of Solar System Understanding How do we know the Earth goes around the Sun?
Kepler’s laws Kepler’s laws. Ancient Astronomy Ancient civilizations observed the skies Many built structures to mark astronomical events for religious.
The Origins of Modern Astronomy. Mesopotamian astronomers kept long term astronomical records. used the location of the Sun among the 12 constellations.
22.1 Early Astronomy. Ancient Greeks Astronomy is the science that studies the universe Deals with properties of objects in space & the laws under which.
HISTORY OF ASTRONOMY CONTD.. 2.5 Nicolus Copernicus (1473-1543) Heliocentric model. Circular orbits. Explanation of the retrograde motion of planets.
The Cosmic Engine. Solar System Universe Venus Mercury Earth Mars Jupiter Saturn Uranus Neptune Planets Gravity Sun is a star Powered by nuclear reactions.
ASTRONOMY 161 Introduction to Solar System Astronomy Class 5.