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Class Notes for Astronomy at University of California - Los Angeles

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ASTR 3 Lecture Notes - Lecture 11: Orbital Speed, Orbital Period
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find more resources at oneclass.com Why are extrasolar planets difficult to detect? Contrast: a sun-like star is about a billion times brighter than the light reflected from its planets. Angular Sep...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture 10: ASTRO- LEC 10/29
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find more resources at oneclass.com Chapter 8- Jovian Planet Systems Gas Giants Why different? Less mass less gravity less compression Mass controls everything Magnetic Fields Jupiter has a strong magnetic...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture 8: ASTRO LEC- 10/17 PART 2
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find more resources at oneclass.com Formation of the Solar System What does our Solar System look like? The planets are tiny compared to the distances between them (millions of times...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture Notes - Lecture 7: W. M. Keck Observatory, Segmented Mirror, Angular Distance
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find more resources at oneclass.com Measuring Redshift Shift: new wavelength minus original wavelength 502.8nm-500.7nm= 2.1 nm Measuring Velocity Velocity component of object along the line of...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture Notes - Lecture 4: Geocentric Model, Scientific Method, Metonic Cycle
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Lunar Motion Phases of the Moons 29.5 day cycle New Crescent First quarter Gibbous (waning) Full Gibbous (waxing) Last quarter Crescent Why do we see phases? At any time, half of the Moon is illuminated by the Sun and half...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture 1: Chapter 1: A Modern View of the Universe

What is Astronomy? Astronomy covers the structure and composition of the Universe from its beginning to its ultimate end Where did your atoms come from? What is the Universe made of? What happens in 1 billion years? What h...

Astronomy
ASTR 3
Fitzgerald
ASTR 5 Lecture Notes - Lecture 3: Nuclear Fusion, Color Depth, Nuclear Reaction

Lecture 3 MIDTERM: Hubbles Law, Doppler Effect Kirchhoff: Opaque Surfaces Emit Universal Blackbody Radiation Spectrum Wiens Law: Wavelength of peak of thermal radiation = 0.2 inchesT Hotter Blackbodies emit higher frequenc...

Astronomy
ASTR 5
Matthew Malkan
ASTR 5 Lecture Notes - Lecture 2: Ecliptic, Positive Feedback, Photon

Lecture 2 Inflation The Uncertainty Principle how much matter, energy, density of material is on the smallest scales Results: 2. Constants of nature are set during this inflation, if the conditions were set just slightly ...

Astronomy
ASTR 5
Matthew Malkan
ASTR 5 Lecture Notes - Lecture 1: Cosmic Microwave Background, Rubber Band, Radiography

Lecture 1 Olbers Paradox: Why does it get dark at night? (Carl Olber) If the universe is infinite in time space Add up the brightness of stars in each thin shell reaching the Earth More distant shells contain more stars, ...

Astronomy
ASTR 5
Matthew Malkan
ASTR 3 Lecture Notes - Lecture 12: Hertzsprung (Crater), Main Sequence, Star Cluster

Luminosity: amount of power a star radiates (energy per second) Apparent Brightness: amount of starlight that reaches Earth 0 energy per second per square meter Depends on luminosity and distance Divide luminosity by area ...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture Notes - Lecture 10: Gravitational Lens, Minimum Mass, White Dwarf

1995: astronomers discovered the first failed star or brown dwarf object the missing link between small stars and giant planets like Jupiter using infrared Thousands of brown dwarfs are now known In the same year, astron...

Astronomy
ASTR 3
Rich, R.M.
ASTR 3 Lecture 5: Astro 3: Solar System

Solar System Wednesday, January 31, 20112:07 PM ...

Astronomy
ASTR 3
Steven Furlanetto
ASTR 3 Lecture 4: Astro 3: Telescopes

Telescope Monday, January 29, 20112:17 PM Astronomy Page 1

Astronomy
ASTR 3
Steven Furlanetto
ASTR 3 Lecture 3: Astronomy Discovery Timeline

Wednesday, January 17, 2018 2:48 PM ...

Astronomy
ASTR 3
Steven Furlanetto
ASTR 3 Lecture 1: Part 1 Bedrock

Part 1: Bedrock Wednesday, January 10, 201812:37 PM Astronomy Page 1

Astronomy
ASTR 3
Steven Furlanetto

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