AY 102 Major Quiz 1 Review
Your first major quiz will be _____. You should study and UNDERSTAND the concepts on this page. Know their definitions and why they are important in astronomy. Use your lab manual, lab notes, online practice quizzes, and textbook when reviewing.
Lab 1: The Sky as the World Turns
- Know how to locate objects using the Celestial Coordinates:
- Right ascension (a)
- Declination (d)
- Parts of the Celestial Globe (horizon, meridian, zenith, celestial poles)
- Know the difference between the Celestial Equator and Ecliptic
- What is the Circumpolar zone and how does it relate to an observer’s latitude?
Lab 2: Yearly Path of the Sun
- Know the Important Seasonal Dates of the Year (2005):
- Vernal Equinox (March 20)
- Summer Solstice (June 21)
- Autumnal Equinox (September 22)
- Winter Solstice (December 21)
- What makes these dates significant?
- What is the relative angle of the sun for Tuscaloosa on these days?
Lab 3: Properties of Lenses and Telescopes
- Reflecting and Refracting telescopes
- Focal length (Does the focal length of a lens change?)
- Object and Image distances
- Object and Image sizes
- Magnification (How do you get a large magnification?)
- Real and Virtual Images
- Erect and Inverted Images
- Ray diagram (You WILL be asked to draw)
Lab 4: Angles in Astronomy
- Parallax (Can you label the parallax angle?)
- What is an Astronomical Unit?
- Baseline (What’s the size of the baseline in A.U.’s
- Know the relationship between angular size, true size, and distance.
- Understand the important points on how to measure distances using parallax angles
A practice quiz can be found at: http://www.astr.ua.edu/ay102/Quiz1/Q1Rev2.shtml
