Welcome ...
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Thursday, October 12, 2006
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 This section of The Science Vault is a collection of notes by an IB Higher Level Physics class of November 2006. It concerns the Option F - Astrophysics of the syallbus. This section has two ways of nagivation; by syllabus points (below and left), and by what was felt to be a more natural method, where similar topics were grouped together (below).
This section is still under construction, so please be patient, as not all the links may work. Thank you!
Introduction to the Universe – Universe? What universe?
The Solar System – At the unfashionable west end of the galaxy
Stellar Objects – Nuts, bolts and building blocks
Stellar Sizes – Big, bigger and infinite
Stellar Radiation – What shines… and what doesn’t
Luminosity - Hot ot not!
Black Body Radiation – Black body, hot body
Wien's law and the Stefan-Boltzmann law
Stellar Spectra – Colours really do tell
Stellar Types – Hot and not
Star Types – Bright & hot, or cold & dark
Stellar Evolution – How to Make your own star
Hertzsprung-Russell diagram – On the charts…
Stellar Distances – Shooting for the stars
Parallax Method – Angling for the stars
Brightness - Starlight, star bright
Spectroscopic Method – Bright, near and far
Cepheid Variables – Candle in the window
Cosmology – Life, the universe and everything
Olbers’ Paradox – Where Newton went wrong
Hubble’s Law – It’s getting bigger!
The Big Bang – A conical bath backwards
Galactic types and motion - Turn, turn, turn ...
Development of the Universe – In the good old millennia…
F.1 - Introduction to the Universe
F.1.1 - Solar System
F.1.2 - Stellar Bodies
F.1.3 - Clusters and Constellations
F.1.4 - Light Years
F.1.5 - Relative Distances
F.1.6 - Stellar Bodies
F.2 - Stellar Radiation and Stellar Types
F.2.1 - Energy Source
F.2.3 - Luminosity
F.2.5 - Black Body Radiation
F.2.7 - Wien's Law
F.2.8 - Stefan-Boltzman Law
F.2.9 - Stellar Spectra
F.2.13 - The Hertzsprung-Russell Diagram
F.3 - Stellar Distances
F.3.1 - Parallax Method
F.3.5 - Absolute and Apparent Magnitude
F.3.8 - Spectroscopic Parallax
F.3.12 - Cephid Variables
F.4 - Cosmology
F.4.1 - Olbers' Paradox
F.4.4 - The Big Bang Model
F.4.8 - The Development of the Universe
F.5 - Stellar Processes and Stellar Evolution
F.5.1 - Nucleosynthesis
F.5.4 - Evolutionary Paths of Stars and Stellar Processes
F.6 - Galaxies and the Expanding Universe
F.6.1 - Types of Galaxies
F.6.3 - Galatic Motion
F.6.6 - Hubble's Law
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