PY 125 Review

1
PY 125 Review

• Spring 2009

2
When and Where

• Apr 28, 600pm, Riddick 325 for sections 1, 3, 5
• Apr 29, 600pm, Riddick 325 for sections 2, 4, 6
• May use SPL, but not the lab manual or the
  Almanac

3
Celestial Geometry

• Review Lab 1 and Quiz 1
• Celestial coordinates (R.A., Dec)
• Ecliptic, celestial equator, equinox, solstice
• Precession
• Zenith, Meridian, Transiting

4
Star Planet Locator

• How different types of objects are shown
• Stars, Constellations, Asterisms, Non-stellar
  objects
• Horizon, Zenith
• Celestial Equator, Ecliptic, Meridian
• Rising, Setting, Transiting
• Finding the Sun
• Finding planets

5
Constellations

• Finding North, Polaris -gt Latitude
• Circumpolar objects
• Measuring angular distances with hands
• Review Constellation Quiz
• Constellations vs Asterisms

6
Telescope

• Refractor principles of design, Galileos
  discoveries, chromatic aberration
• Reflector principles of design, spherical
  aberration
• Focal length f-ratio
• Catadioptric system
• Magnification vs Field of View, Oculars
• Review Telescope Lab

7
Telescopes

• Telescope mounts
• equatorial, altazimuthal
• advantages disadvantages of ea ch
• Clock drives
• Finding an object (procedure)
• Orientation of the image

8
Saturn

• Galileos observations
• Gaseous surface, oblateness
• belts and zones, weather
• Differential rotation
• Observation rings, superior, moons

9
Binary Stars

• Studied to measure masses
• Types optical, visual, spectroscopic,
  astrometric, eclipsing
• Keplers 3 laws
• Unknown parameters tilt, distance, weather
  conditions
• Review lab procedure
• How color determines approximate mass

10
Orion Nebula

• M42 emission nebula
• Location and size
• Appearance and necesary conditions for viewing

11
Tirion Charts

• Cities states lt-gt stars constellations
• Advantages and disadvantages over the SP
  locator
• Constellation index
• M, NGC
• Coordinate grid
• Review symbols

12
Skygazers Almanac

• Depicting sunrise/sunset twilight
• Lines for stars vs lines for planets
• Solstices, equinoxes
• Meteor showers
• Moonrise/moonset
• Inferior/superior planet

13
Spectroscopy

• Electromagnetic spectrum (radio to gamma-rays)
  including visible spectrum colors
• Wavelength/frequency/energy of photon
• Continuous, emission lines, absorption lines
  examples
• Transitions in atoms
• Chemical composition from line spectra