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ASTR 1150 Lecture Notes - Lecture 9: Spiral Galaxy, Royal Astronomical Society, Galactic Center
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ASTR 1150 - Lecture Nine: The Milky Way Our Home Galaxy ● All individually visible stars are in The Milky Way ○ Unaided eye ● Most stars appear in a diffuse band across the sky ○ Visible ...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 8: Light Curve, Binary Star, Planetary Nebula
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ASTR 1150 - Lecture Eight: Binary Stars and Exoplanets ● Two stars orbiting around a common center of mass. ○ Barycenter ○ Sirius A and B ● Systems with more than two stars are rare (Diffi...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 11: Virgo Supercluster, Virgo Cluster, Great Attractor
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ASTR 1150- Lecture Eleven: Galaxy Properties and Mergers Mass to Light Ratio ● Ratio of a galaxy’s mass to its luminous output ● Solare units are used: ● M/L = I = IM☼/IR☼ ● Mass to light ratios are great...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 10: Hubble Deep Field, Edwin Hubble, Irregular Galaxy
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ASTR 1150 - Lecture Ten: Galaxies and Star Clusters History ● Originally, other galaxies were thought to be large groups of stars within The Milky Way ○ Early telescopes not powerful enough to resolve in...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 5: Protoplanetary Disk, Orion Nebula, Protostar
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ASTR 1150 - Lecture Five: The Birth of Stars and Main Sequence When? ● Star formation is taking place right now ○ In the Milky Way ○ In other galaxies as well ● Rate of star formation has...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 6: Triple-Alpha Process, Milky Way, Gravitational Collapse
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ASTR 1150 - Lecture Six : Leaving the Main Sequence At the end of the Main Sequence ● Core of ‘Helium Ash’ ● Shell of H and He ● Fusion has stopped in the core ○ No more energy production ●...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 3: Adaptive Optics, Radio Astronomy, James Webb Space Telescope
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ASTR 1150 - Lecture 3: Studying the Sky Using Observatories to Study the Skye ● There are two predominant types of radiation that pass through the atmosphere and reach the Earth’s surface: Visible (Optical) an...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 1: Celestial Pole, Celestial Equator, Azimuth
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ASTR 1150 - Lecture 1: Introduction to Stars and Galaxies What is a Star? ● Stars are extremely large and massive, made of gases and metals ● The sun is roughly 100 Earth’s across and has a mass roughly 1 mill...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 2: Continuous Spectrum, Spectroscopy, Sirius
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ASTR 1150 - Lecture 2: The Nature of Starlight ● Light is our best method of studying a star's characteristics Light Basics ● Light propagates as a wave ● Light does not require a medium, like sound requi...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 7: Planetary Nebula, Giant Star, White Dwarf
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ASTR 1150 - Lecture 7: Star Death The Death of Stars ● A star’s fate is determined by its initial mass ● Much of a star’s mass is ejected during the giant phase (And supergiant phase) ● The mass left behind...

Astronomy
ASTR 1150
Andres Ruberg
ASTR 1150 Lecture Notes - Lecture 4: Lalande 21185, Dynamical Parallax, Proper Motion
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ASTR 1150 - Lecture 4: The Solar Neighbourhood + The Interstellar Medium The Closest Stars: The Centauri System ● Triple star system ● Declination of -61° ● Seen as a single star to the unaided eye ● ...

Astronomy
ASTR 1150
Andres Ruberg
SOCI 1110 Lecture Notes - Lecture 11: World Health Organization, Domestic Violence, Randall Collins
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SOCI 1110-01- Introduction to Sociology- Lecture #10_Part 2 - Chapter 11: The Family Theorizing the Family Sociological schools that have analyzed the family: ● Interactionist Theory ● Structural/Function...

Sociology
SOCI 1110
Alejandro Campos- Garcia
SOCI 1110 Lecture Notes - Lecture 10: Georg Simmel, Anthony Giddens, Exogamy
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SOCI 1110-01- Introduction to Sociology- Lecture #10_Part 1 - Chapter 11: The Family ** family is the first instance where you learn, respect, power, and authority. ** before defining what family is, it is important to...

Sociology
SOCI 1110
Alejandro Campos- Garcia
SOCI 1110 Lecture Notes - Lecture 9: Gemeinschaft And Gesellschaft, Ikea, Nationstates
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SOCI 1110-01- Introduction to Sociology- Lecture #9_Part 3 - Chapter 5: Socialization and Interaction and Chapter 6: Organizations, Societies, and the Global Interaction •Interaction is social engagement in...

Sociology
SOCI 1110
Alejandro Campos- Garcia
SOCI 1110 Lecture Notes - Lecture 8: Erving Goffman, Impression Management, George Herbert Mead
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SOCI 1110-01- Introduction to Sociology- Lecture #8_Part 2 - Chapter 5: Socialization and Interaction Micro - Macro Continuum - small scale social phenomena: self and ind...

Sociology
SOCI 1110
Alejandro Campos- Garcia

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