(Don't Use Canvas to contact me, use email link)
Office: LD 156-S, 278-9244
Class: IO 102, Tuesday, Wednesday, Thursday from 11:00 am - 1:00 pm
http://woodahl.physics.iupui.edu/Astro105Summer/
Is the University open/closed today?
50 questions, multiple choice, review your notes
This exam is optional if you are satisfied with both your Exam 1 and 2 scores
Rememberize to bring a #2 pencil, don't be late
''.. I brought my pencil, gimme something to write on, man ..'' OpScan sheets will be provided, pick one up when you enter
Gravity: Binds Objects with Mass (Motorcycle's Front Wheel Overcomes Gravity)
Electromagnetic: Binds Electrons to Protons to Form Atoms (Beryllium Atom)
Strong: Binds Quarks to Form Protons, Neutrons, and Nuclei (Helium Nucleus)
Lawrence Krauss (with S. Hawking): Quintessence, The Variable Vacuum Energy
Scores for your topic (specific) paper have been uploaded to Canvas.
Paper is due: BEGINNING of lecture on Thursday, June 9 (late submittals earn a zero)
Play it safe, hand in your paper on Wednesday's lecture (June 8)
Exam 2 scores have been uploaded to Canvas. The average was a 50 out of 65 (77%).
A Globular Cluster in Milky Way: Omega Centauri (NGC5139), Visible by Unaided Eye
LSS of Universe: Clusters & Superclusters that Neighbor the Milky Way (Near-Infrared Frequencies)
The Jets of Cygnus A (color enhanced, microwave frequencies)
Looking for Quasars and Radio Galaxies: Australia's Telescope Compact Array (ATCA)
Massive Star Collapses Forming Black Hole: Jets Along Rotation Axis Produce Gamma-Ray Long-Burst
Gamma-Ray Short-Burst: Collision Involving Neutron Stars & Black Holes
Evidence for the Big Bang Theory: Penzias and Wilson and their Microwave Antenna
Spectrum of Microwave Radiation Closely Matches Big Bang Theory
"High-Tech" Big Bang Detector in Your Home: Snowy Channel on an Antenna-Fed TV (1% is CMBR)
65 questions, multiple choice, review all your notes
Rememberize to bring a #2 pencil, don't be late
''.. I brought my pencil, gimme something to write on, man ..'' OpScan sheets will be provided, pick one up when you enter
Lecture will follow the exam
Paper is due: BEGINNING of lecture on Thursday, June 9 (late submittals earn a zero)
Play it safe, hand in your paper during Wednesday's lecture (June 8th)
No electronic submittals accepted at any time
Schwarzschild: Discovered Event Horizon of Black Hole (Schwarzschild Radius)
General Relativity Allows for Wormhole Solutions for Faster than Light Travel
"Back To The Past": General Relativity Allows for Wormhole Solutions for Time Travel
Edwin Hubble: Determined M31 Was a Galaxy 2 Million Light-Years Away
Dark Matter (Imagine that the green/yellow/orange strands are dark and you cannot see them.)
Spiral Structure of Milky Way Galaxy -- possibly a "Barred-Spiral"
An Interstellar Medium Containing Carbon Monoxide (Radio Frequencies)
Atmospheric Scattering of Light: Blue Daytime Skies and Red Dawn
Death of a High-Mass Star: Supernova (Crab Nebula Produced in 1054 AD)
Exam 1 scores have been uploaded to Canvas. The average was a 47 out of 65 (72%).
65 questions, multiple choice, review all your notes
Rememberize to bring a #2 pencil, don't be late
''.. I brought my pencil, gimme something to write on, man ..'' OpScan sheets will be provided, pick one up when you enter
One hour of lecture will follow the exam
Niels Bohr (sitting with Einstein): Architect of Modern Theory of Atomic Physics
Photon (wavy line) Being Absorbed by Atom -> Electron (solid blue line) Jumps Up into Higher Orbit
Atom Emitting a Photon (wavy line) -> Electron (solid blue line) Jumps Down into Lower Orbit
Stars with Higher Surface Temperatures Emit Mostly Shorter Wavelengths
Mass Information from Doppler Shift of Spectra from a Binary Star System
Absolute Brightness or Luminosity Versus Apparent Brightness
Traditional H-R Diagram with the Absolute Magnitude Scale (on right-hand side)
The Red SuperGiant Betelgeuse (Hubble): Diameter is Larger than Jupiter's Orbit Around the Sun
Astronomy, the Oldest of the Sciences, 5000 Years Old: Stonehenge
Approaching Modernity: Galileo Galilei's 1610 AD Notebook Page (Who Needs Computers?)
Magnetic Field Lines "Trap" Moving Charged Particles (Thus They Spiral)
Coronal Mass Ejection (Orange Disc is Photosphere, Red Disc is Chromosphere, X-Ray Photography)
The 4 Fundamental Forces Occur Only at Moderately Low Temperatures
Sun's Proton-Proton Chain Fusion Reaction (4 Protons Produce Helium + Energy)
Ray Davis, 2002 Nobel Prize in Physics for the Detection of Cosmic Neutrinos During 1960's
Quarks Fundamental Particles, Three Quarks in Every Proton and Neutron
Einstein (in 1904): Speed Of Light is the "Speed Limit of Our Universe"
Visible Light is a Small Part of the Entire Electromagnetic Spectrum
Isaac Newton (in 1670): White Light Contains All the Visible Colors (Visible Frequencies)
James Maxwell (in 1860): Father of the Famous Maxwell Equations Governing the Behavior of Light
Exam 1: Tuesday, May 24 (during first hour, then a 1-hour lecture follows)
Exam 2: Tuesday, June 7 (during first hour, then a 1-hour lecture follows)
Paper due: Thursday, June 9 (at beginning of lecture, late submittals earn a zero)
Exam 3: Tuesday, June 21 (during first hour, course ends)
Exams (Using the best 2 out of the three): 85 %
Paper: 15 %
Three exams (none are comprehensive).
Approximately 70 multiple choice questions. Study guides will be posted about a week before the exam.
Scantron sheets will be provided, bring an #2 pencil or HB lead (failure to use pencils will result in a zero).
Scores will be posted online to Canvas (scantrons and exams are not returned or shown to students).
Do not be late, no admittance once the first student has turned in their exam.
Students need not take last exam, if they are satisfied with their scores on the first two exams.
Typed, double-spaced, single-sided, and a minimum of one thousand words.
Topics: Pick one topic from the Exam I Study Guide and explain it in detail in your own words.
Make sure you include your full name (upper righthand corner).
Due by Thursday, June 9, at beginning of lecture. Late submittals will earn a zero. Electronic submittals are not accepted and will also earn a zero.
Standard grading percentages are employed (70% and above is C, 80% and above is B, 90% and above is A)
There is (unadvertised) curving on the C range and to a lesser degree, some curving on the B and A ranges.
Weather related cancellations will be announced on this page -- Please do not email me asking if class has/will be cancelled
Many thanks to Ryan Bertram (Astro A100 student), who introduced me to this neat YouTube video (courtesy of Rob Bryanton, Canadian author) that discusses the ten possible dimensions of our universe.
Many thanks to Tim McCormick (Astro A100 student), who introduced me to this fantistic webpage that models early solar system formation.
Many thanks to Elizabeth Potter (Astro A105 student), who showed me this neat webpage highlighting the relative sizes from the Local Group down to Quarks (and the corresponding orders of magnitude, or powers of ten)
Department of Physics, IUPUI - Updated on June 13, 2022 at 9:25 AM EDT
