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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 20: Spiral Galaxy, Inverse-Square Law, Cosmic Distance Ladder

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2 Apr 2016
89
Shapley as big as our galaxy all of the spiral nebulae" lie inside our galaxy. Curtis spiral nebulae were distant separate entities, like our own galax
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 19: Gravitational Lens, Edwin Hubble, Galactic Center

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23 Mar 2016
38
1923: edwin hubble observed cepheid in andromeda galaxy. 1929: hubble discovers expanding universe: more distant galaxies have higher redhifts using hu
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YORKADMS 3595Sung KwonFall

ADMS 3595 Chapter Notes - Chapter 13: Asset, Finance Lease, Canadian Tire

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23 Mar 2016
31
Canadian tire corporation limited. (a) canadian tire"s current liabilities include the following amounts: ($ millions) Trade and other payables include
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YORKADMS 3595Sung KwonFall

ADMS 3595 Chapter Notes - Chapter 14: Cash Flow, Debt Service Coverage Ratio, Finance Lease

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23 Mar 2016
31
Loblaw versus empire (a) the following are the debt to total assets and times interest earned ratios for the companies: From the above analysis, it app
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 17: Methods Of Detecting Exoplanets, Light Curve

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13 Mar 2016
31
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 18: Parsec, Globular Cluster, Andrea M. Ghez

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13 Mar 2016
35
Understanding the structure of our galaxy, the milky way distances to stars: parallax, inverse square law. Models of herschel, kapetyn variable stars:
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 17: Stellar Evolution, White Dwarf, Supernova Remnant

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13 Mar 2016
29
Nebulae historical observations: pre-telescope; after invention of telescope solving the riddle of the nebulae - huggins & spectra types of nebulae: em
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 16: Blueshift, Binary Star, Christian Doppler

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13 Mar 2016
34
Lecture 16: the doppler shift understanding the doppler shift method first astronomical observation of redshift using the doppler shift to study binary
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 15: Lowell Observatory, Kuiper Belt, William Henry Pickering

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15 Feb 2016
29
Uranus discovered by herschel ---- sweeping" the sky + noticed it. Neptune discovery based on tracking uranus"s position as predicted by newton"s laws
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 13: Patent Office, Thought Experiment, Special Relativity

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15 Feb 2016
67
Video worksheet: inside einstein"s mind https://www. youtube. com/watch?v=4gulseik31a: what elements of einstein"s personality and early life contribut
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 14: Non-Inertial Reference Frame, Distant Star, Escape Velocity

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15 Feb 2016
25
Lecture 14: general relativity continue from last week"s pdf thought experiment: what happens when you fall off a roof? principle of equivalence. Einst
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 13: Special Relativity, Null Result, Thought Experiment

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15 Feb 2016
24
Lecture 13 (jan 22): einstein & relativity historical context: physics puzzles at the end of the 1800"s frames of reference. Special relativity: physic
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 11: Cathode Ray, Diffraction Grating, Electromagnetic Spectrum

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15 Feb 2016
27
Lecture 1: understanding spectra o o o re-cap of last term: light, spectra historical studies of continuous spectra: black bodies. Kirchhoff & cavity r
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 12: Hydrogen Atom, Helium Atom, Emission Spectrum

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15 Feb 2016
46
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 12: Spectroscopy, Balmer Series, Redshift

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15 Feb 2016
35
An electric current passes through a neon tube and gives energy to the neon gas. Thus, the electron in the neon gas gives off their energy and drops to
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 15: Escape Velocity, Stellar Classification, Null Result

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15 Feb 2016
44
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 12: Annie Jump Cannon, Stellar Classification, Black Body

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15 Feb 2016
17
Microscopic level: how the atoms move, how dense, the temperature and how old it is. Note: astronomers use the kelvin temperature scale, similar scale
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 10: Astronomia Nova, 10Th Millennium Bc, Sidereus Nuncius

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15 Feb 2016
21
Islamic astronomy: positional astronomy, catalogues, translations of ancient texts. Copernicus published on the revolutions of the heavenly spheres (he
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 10: Double-Slit Experiment, Corpuscular Theory Of Light, Silver Chloride

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15 Feb 2016
25
What is light? a form of energy, particle (not) and wavelength. Particle vs light: newton: particle: corpuscular theory (light has tiny particles in th
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 10: Experimentum Crucis, Roygbiv

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15 Feb 2016
26
How did newton (born 1643) improve our understanding of the universe? using mathematics to describe the universe and nature key discoveries: laws of mo
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 9: Spectroscopy, Roygbiv, Prims

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15 Feb 2016
37
Light from stars, nebulae, planets sent through prism spectrum seen: birth of astrophysics: key tool in understanding physical nature, stars, nebulae,
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 9: Chromatic Aberration, Achromatic Lens

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15 Feb 2016
22
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 8: James Clerk Maxwell, Christiaan Huygens, Parabolic Trajectory

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15 Feb 2016
29
Lecture 8: astronomy after newton (1642 - 1727) Christiaan huygens(1625 - 1695) was first to understand that saturn had a ring (1655)- see pdf: he also
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 6: Naked Eyes, Scientific Method

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15 Feb 2016
28
Summer of 1609, galileo was inventing his own version of telescope. Two glass at precise angel (distance?) helps see things at a distance. 8 times of w
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 7: Chromatic Aberration, Roygbiv, Experimentum Crucis

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15 Feb 2016
21
How did the planets move and what hold them in their position only acceptable statements are statements that can be tested. What hold the planets wasn"
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 4: Celestial Pole, Circumpolar Star, Celestial Sphere

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12 Feb 2016
18
The celestial sphere is an imaginary sphere, where we can imagine the stars, sun, The celestial sphere seems like it rotating about an axis, but really
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Study Guide - Quiz Guide: Retrograde And Prograde Motion, Infinite Mass, Geocentric Model

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12 Feb 2016
55
Cosmic evolution from moment of creation of universe. Historical discussions across cultures/faiths: has the universe always existed, or did it have a
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 1: Trepanning, North Wessex Downs, Sarsen

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12 Feb 2016
29
Cbc stonehenge uncovered video questions: what suggests that stonehenge was a sacred site, even before the stone structures were built? three large pin
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 4: Ancient Greek Astronomy, Aswan, Anaximander

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12 Feb 2016
25
They were the turning point because they focused more on rational reasoning than story telling. Before (ancient egypt): they observed the sun, moon, pl
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 1: Newgrange, Naked Eyes, Well-Order

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12 Feb 2016
20
Cosmos- the universe seen as a well-ordered whole. Rises and sets due to rotation of earth on its axis. Path that sun takes through sky changes through
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 1: Armillary Sphere, Georg Joachim Rheticus, Geocentric Model

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12 Feb 2016
39
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture 1: Video questions Brahe Kepler

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12 Feb 2016
28
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 5: Armillary Sphere, Astronomy In The Medieval Islamic World, Ahmad Ibn Muhammad Ibn Kathir Al-Farghani

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12 Feb 2016
36
Study of astronomy and mathematics continued within islamic culture. Brought together pre-arabic star love with knowledge of ancient greek"s mathematic
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 5: Circular Motion, Firmament, Scientific Revolution

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12 Feb 2016
14
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 1: Archaeoastronomy, Kukulkan, Astronomical Object

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12 Feb 2016
32
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 3: Remote Sensing, Ground-Penetrating Radar, Heliacal Rising

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12 Feb 2016
34
Can detect iron, burnt soil, steel and rock types. Looks for changes in earth"s magnetic field ---points to structure change or object --- detect fille
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YORKNATS 1745Robin MetcalfeFall

NATS 1745 Lecture Notes - Lecture 2: 10Th Millennium Bc, Archaeoastronomy, Paleolithic

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12 Feb 2016
42
Moon was the most important star for the ancient people. Earliest astronomical records paintings in caves lascaux + blanchard bones) Proposed astronomi
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YORKADMS 2610Robert LevineFall

ADMS 2610 Lecture Notes - Lecture 2: Rescission, Parol Evidence Rule, Precontract

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7 Feb 2016
63
Practice questions on formation of contract and capacity: a has just offered to buy b"s boat for $ 20,000. 00. In telling a he accepts the offer, b als
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YORKADMS 2610Robert LevineFall

ADMS 2610 Study Guide - Quiz Guide: Fax, Estoppel

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7 Feb 2016
50
The following examples are generic, in the sense that they are not summaries of the chapters in your text. Rather the examples are drawn from my knowle
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YORKADMS 2610Robert LevineFall

ADMS 2610 Study Guide - Quiz Guide: Collateral Contract, Parol Evidence Rule

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7 Feb 2016
32
Learn generally about contracts for necessaries and contract for non-necessaries. Learn - no fee is owed to someone who should be licensed but is not.
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