1. ISLAND UNIVERSES 2. The Great Debate What if one walk to the end of the world? 3. 905: Sufi (small cloud) 4. 18th Charles Messier: Catalogs of nebulous objects 5. 1758:…

1. Welcome 2. BIG BANG 3. CONTENTS Introduction History Time line FLRW Metric Horizons Observational evidence Features & problems The Future 4. INTRODUCTION “ Big-bang…

Slide 1 Slide 2 Lecture 2 Big Bang Time Line Slide 3 The Birth of the Quantum Max Planck –The energy contained in radiation is related to the frequency of the radiation…

Slide 1 universe The galaxy THE GALAXY A GALAXY is a massive, gravitationally bound system that consists of stars And stellar remnants .you that there are 1000 âs of Stars…

Slide 1 universe The galaxy THE GALAXY A GALAXY is a massive, gravitationally bound system that consists of stars And stellar remnants .you that there are 1000 âs of Stars…

WHAT IS A GALAXY? WHAT IS A GALAXY? What does it consist? I. HISTORY Milky Way-âGalaxies kuklosâ In Greek mythology, Zeus places his son born by a mortal woman,…

WHAT IS A GALAXY? WHAT IS A GALAXY? What does it consist? I. HISTORY Milky Way-âGalaxies kuklosâ In Greek mythology, Zeus places his son born by a mortal woman,…

Slide 1 Exploding Stars As Beacons At the Edge of the Universe The Universe is Speeding Up! The 2011 Nobel Prize in Physics was awarded to Saul Pearlmutter, University of…

Historical Counting Systems 167 © Lawrence Morales Creative Commons BY-SA Historical Counting Systems Introduction and Basic Number and Counting Systems Introduction As…

I have, as it happens, a strikingly intelligent cat. Here are some of the behaviors in which his intelligence is manifest : In the morning , at his usual feeding time, Greycat…