Devil physics The baddest class on campus IB Physics Physics I...
Transcript of Devil physics The baddest class on campus IB Physics Physics I...
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DEVIL PHYSICS THE BADDEST CLASS ON CAMPUS
IB PHYSICS
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ASTROPHYSICS TSOKOS OPTION E-1 INTRODUCTION TO THE UNIVERSE
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IB Assessment Statements
E.1.1. Outline the general structure of the solar system.
E.1.2. Distinguish between a stellar cluster and a constellation.
E.1.3. Define the light year.
E.1.4. Compare the relative distances between stars within a galaxy and between galaxies, in terms of order of magnitude.
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IB Assessment Statements
E.1.5. Describe the apparent motion of the stars/constellations over a period of a night and over a period of a year, and explain these observations in terms of the rotation and revolution of the Earth.
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Tsokos Objectives
Describe the main features of the solar system.
Name the main objects making up the universe.
Give the definition of a light year.
State the average distances between stars and between galaxies.
Outline the main facts about the motion of stars as they appear to an observer on earth.
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Order of Magnitude
Relative Size of Celestial Bodies
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Laws of Gravitation and Planetary Motion
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The Solar System
OBJECTIVE: Describe the main features of the solar system
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The Solar System
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The Solar System
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Relative Orbit Radii
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Relative Orbit Radii
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Relative Orbits
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Kepler’s Laws
Tsokos 2-11
1. The motion of an object that is attracted and bound to a heavier mass is, according to the law of gravitation, an ellipse or circle.
2. Planets sweep out equal areas in equal times.
3. The period of a planet around the sun is proportional to the 3/2 power of the orbit radius.
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Moons
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Moons
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Saturn
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Pluto
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Asteroid Belt
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Characteristics of Planets
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Characteristics of Planets
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Characteristics of Planets
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Objective
Name the main objects making up the universe
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Beyond the Solar System
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Beyond the Solar System
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Objective
Give the definition of a light year
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Light Year
The distance light will travel in one year
mxly
xxxxxly
15
8
1046.91
6060243651031
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Objective
State the average distances between stars and between galaxies
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Parsec (pc)
Represents the average distance between stars in a galaxy
mxlypc 161009.326.31
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Objective
Outline the main facts about the motion of stars as they appear to an observer on earth
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Motion of the Stars
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Motion of the Stars
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Motion of the Stars
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Motion of the Stars
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Tsokos Objectives
Describe the main features of the solar system.
Name the main objects making up the universe.
Give the definition of a light year.
State the average distances between stars and between galaxies.
Outline the main facts about the motion of stars as they appear to an observer on earth.
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IB Assessment Statements
E.1.1. Outline the general structure of the solar system.
E.1.2. Distinguish between a stellar cluster and a constellation.
E.1.3. Define the light year.
E.1.4. Compare the relative distances between stars within a galaxy and between galaxies, in terms of order of magnitude.
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IB Assessment Statements
E.1.5. Describe the apparent motion of the stars/constellations over a period of a night and over a period of a year, and explain these observations in terms of the rotation and revolution of the Earth.
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QUESTIONS?
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#1-17
Homework