Slide 1 Course Goals What is Science? What is modern astronomy? What do we know about the Universe? How do we know what we know? Slide 2 Why Study Science? Slide 3 Scientific…

Slide 1 1 Class #19 of 30 Celestial engineering - II Reduced 2-body problem Kepler 1 st, 2 nd and 3 rd laws Cometary collision prediction A whiff of scattering theory DVD…

Slide 1 Chapter 12 Gravitation C. apple mg earth m1m1 m2m2 F 12 F 21 r In chapter 2 we saw that close to the surface of the earth the gravitational force F g is: a. Constant…

Slide 1 1 Class #20 of 30 Celestial engineering Clarification on scattering angles Rotating reference frames Vector angular velocity Newton’s laws on rotating frame Two…

Slide 1 1 Slide 2 2 Tycho Brahe (1546-1601) (right around Galileo) Born Tyge Ottesen Brahe (I can’t say that correctly) Last of the great astronomers who came before the…

Slide 1 Astronomy Slide 2 1)In which months is the northern hemisphere most directly in the sun? 2)In which months is the southern hemisphere most directly in the sun? 3)Is…

Slide 1 Slide 2 Renaissance Astronomy Slide 3 Nicholas Copernicus 1473 - 1543 (Niklas Koppernigk) Developed a mathematical model for a Heliocentric solar system Slide 4 Nicholas…

Astronomy Astronomy 1)In which months is the northern hemisphere most directly in the sun? 2)In which months is the southern hemisphere most directly in the sun? 3)Is there…

Astronomy Astronomy 1)In which months is the northern hemisphere most directly in the sun? 2)In which months is the southern hemisphere most directly in the sun? 3)Is there…