Filter By
Filter Reset
Semester
Class Notes (1,044,385)
CA (598,603)
UTSC (35,260)
Astronomy (108)

Class Notes for Astronomy at University of Toronto Scarborough

ASTA02H3 Lecture 7: Proper Motion of Stars
Premium

th ASTA02- Lecture 7 (Jan. 29 ) - Motion of Stars The amount of proper motion shown by a star depends on its distance More distant stars tend to have smaller proper motions Can usually only measure proper motions within ab...

Astronomy
ASTA02H3
Diana Valencia
ASTA02H3 Lecture Notes - Lecture 6: Proper Motion, Hipparcos, Minute And Second Of Arc
Premium

ASTA02- Lecture 6 (Jan. 24 ) - Distances to Stars Distance is the most important and most difficult quantity to measure in astronomy Distances are necessary for estimating: Total energy emitted by an object (Luminosity) Ma...

Astronomy
ASTA02H3
Diana Valencia
ASTA02H3 Lecture Notes - Lecture 4: Black Body, Photon

th ASTA02- Lecture 3 (Jan. 17 ) - Topics: Spectra - What is a spectrum? The distribution of photon energies coming from a light source Spectra are seen by passing light through a spectrograph We can tell how many photons a...

Astronomy
ASTA02H3
Diana Valencia
ASTA02H3 Lecture Notes - Lecture 3: Gravitational Constant, Fundamental Interaction, Kelvin

ASTA02- Lecture 3 (Jan. 15 ) th Topics - FUNDAMENTAL FORES - MATTER - SPECTRA. INTRODUCTION Light is the only signal we get from far away galaxies All interactions in nature are ruled by four fundamental forces: - Gravitat...

Astronomy
ASTA02H3
Diana Valencia
ASTA01H3 Lecture Notes - Lecture 1: Great Dark Spot, Kuiper Belt, Axial Tilt
Premium

Ice Giants Uranus and Neptune are ice giants, with small cores of heavy elements and a deep mantle of solid water, mixed with ices and minerals. The particular blue colour of these planets is due to methane in the atmosph...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Galilean Moons, Rings Of Saturn, Tidal Acceleration
Premium

The Jovian Moons The composition of the moons of Jovian planets varies as we move from one planet to another. This is a consequence of change of temperature and the material condensed from the original solar nebula. The...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Solar Wind, Star System, Flattening
Premium

Why did Mars Change? Volcanic outgassing provided the young Mars with an atmosphere 400 times denser than Marss present atmosphere. Consequently, Mars should have had a strong green house effect in the past which in turn ...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Hematite, Long Path, Photon
Premium

Mars Distance from the Sun: 1.52 AU Orbital period: 1.881 Earth year Length of the Day: 24h 37m 22s Radius: 0.53 R E Mass: 0.1 M E Atmospheric Composition: 95% CO2, 2.7% N2, 1.6% Argon Surface Gravity: 0.38 Earth ...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Photon, Orbital Period, Ultraviolet
Premium

Green House Effect It turns out that liquid water, plate tectonics, volcanism and the green house gases play a collaborative role in regulating Earths climate. Earths climate is much warmer than it should be based on its ...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Lithosphere, Subduction, Natural Resources Defense Council
Premium

Plate Tectonics The convection of mantle also gives rise to plate tectonics. The lithosphere is broken into a number of plates which oat on top of the mantle due to the convection of the mantle. Plate tectonics is the t...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Outer Core, Zirconium, Gnu Compiler Collection
Premium

Radiometric Dating The age of a planet can be estimated using radiometric dating of the radioactive components of the rocks. To nd the age of the solar system, we need a rock sample with a useful radioactive isotope. Th...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Planetesimal, Protoplanet, Chemical Element
Premium

Condensation of Solids As the porto-planetary disc loses some of its heat and cools, material start to condense. The condensation of material depends on the temperature of the disc. Close to the Sun, the temperature is v...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Cubic Centimetre, Solar Wind, Molecular Cloud
Premium

Comets The radiation pressure as well as solar wind push gas and dust away. Due to the fact that dust and gas respond differently to radiation pressure and solar wind, the tail sometimes separates into a gas and a dust ta...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Star System, Meteoroid, Radiation Pressure
Premium

The Solar System We live in a stellar system with 8 major planets and a number of dwarf planets, as well as some left over material from the formation of the system. The planets in the solar system are divided into two ma...

Astronomy
ASTA01H3
Parandis Tajbakhsh
ASTA01H3 Lecture Notes - Lecture 1: Angular Momentum, Tidal Acceleration, Escape Velocity
Premium

Types of Orbits Newtons work made him realize that orbits come in a number of different shapes. Orbits come in 2 different types: closed and open. To understand the types of orbits, we need to understand conic sections....

Astronomy
ASTA01H3
Parandis Tajbakhsh

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit