Unit 8 Astronomy

Major Topics and Objectives 
A. ORIGIN OF MODERN ASTRONOMY
What have we learned so far about Astronomy?
Video Lesson 8A   Complete Topic 8 Origin of Modern Astronomy Lesson*
Video Lesson 8A-1  Make a Simple Astrolabe
Video Lesson 8A-2  Eratosthenes Calculating Earth's Circumference*
Video Lesson 8A-3  Retrograde Motion and Ptolemy*
Video Lesson 8A-4  Early Astronomers*
Video Lesson 8A-5  Galileo Galilei
Video Lesson 8A-6  Universal Law of Gravitation explained
Video Lesson 8A-6  More about Isaac Newton's Life
Video Lesson 8A-7  Geocentric vs. Heliocentric Models*
Video Lesson 8A-8  Stonehenge Astronomy*

B. THE EARTH’S ROTATION AND REVOLUTION, AND SEASONS
How does a revolving sphere with a tilted spin axis model yearly celestial observations?
Video Lesson 8B  Complete Topic 8B Lesson*
Video Lesson 8B-1  Rotation vs. Revolution
Video Lesson 8B-1a   Solar vs. Sidereal Day
Video Lesson 8B-1b  Solar vs. Sidereal Animation*
Video Lesson 8B-2  Speed of Rotation
Video Lesson 8B-3  Foucault Pendulum*
Video Lesson 8B-4  Circumpolar Stars Video*
Video Lesson 8B-5  Precession*
Video Lesson 8B-6  Earth's Axis and Seasons
Video Lesson 8B-7  The Ecliptic
Video Lesson 8B-8  Azimuth-Altitude System*
Video Lesson 8B-9a   Celestial Sphere 1* Lab 8-1
Video Lesson 8B-9b   Celestial Sphere 2*  Lab 8-2

C. THE EARTH-MOON-SUN SYSTEM
How do the Earth, Moon, and Sun interact
Video Lesson 8C  Moon Phases, Eclipses, and Tides
Video Lesson 8C-1 Earth-Moon-Sun-System
Video Lesson 8C-2 The Real Deal with Tides

D. OUR SOLAR SYSTEM & ORBITAL FORCES
What force keeps planets and their satellites in their orbits?
Video Lesson 8D  Tour of our Solar System
Video Lesson 8D-2 Model Solar System to scale

E. STARS
How are stars classified and what is their life cycle?
Video Lesson 8E-1   Starlight and the Sun (slides 53-59) (0:00-9:49)
Video Lesson 8E-1   Doppler Effect and Redshift
Video Lesson 8E-2    Starlight and the Sun (slides 60-68) (9:50-17:56)

•    SOHO website Link: SOHO Sunspot Observatory NASA
•    Sun Rotation Link: Solar Rotation explained NASA

Video Lesson 8E-3    Classifying Stars and Star Life (slides 69-86)
Video Lesson 8E-4   How Stars are Classified (for Lab 8-7A)
Video Lesson 8E-5   Life Cycle of Stars ( for Lab 8-7A)

Video Lesson 8D-E-1   Distance from Earth to Sun
Video Lesson 8D-E-2  Measuring Distances in Space
Video Lesson 8D-E-3  Video WS Space Distances 

F. THE UNIVERSE
What is in the Universe and what is Earth’s place in the Universe?
Video Lesson 8F  The Universe
Video Lesson 8F-1a  The Big Bang Theory
Video Lesson 8F-1b  The Big Bang Theory
Video Lesson 8F-2  The Universe (44 min)