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PHSC 1053/3053 Test #2 Review Dr. Robertson (Chapters 20-26) What do these symbols mean? How are they used in calculations? g = 9.8 m/s2 F=ma F = mGM/R2 P2 = a3 BUT use 10 m/s2 ! G = 6.67x10-11 Nm2/s2 Understand the definition and application of the following: Zenith Meridian Zodiac Solstice Equinoxe Rotation Celestial Pole Celestial Equator Ecliptic Opposition Conjunction Elongation Terrestrial Jovian Condensation Proto-star Planetesimal Sidereal Revolution Precession Kepler’s III Laws Solar Nebula Taking into account the motions, interactions and geometry between the Earth, Moon, and Sun, be able to explain and/or illustrate the following: Phases of the Moon The Earth’s seasons The Earth’s tides Conditions for eclipses Our calendar’s astronomy connections Apparent motions of the stars Apparent motions of the sun and planets Planetary observational alignments Understand the origins of our solar system and how it explains what we observe today in terms of: Planetary sizes, densities, compositions Similarities and differences between the terrestrial planets Similarities and differences between the jovian planets Unique identifying features of the planets Comets, meteorites and asteroids’ composition and origin Stars: How can we use light to determine the masses of stars? How can we use light to determine the sizes of stars? How can we use light to determine the temperatures of stars? How can we use light to determine the distances to stars? Describe the life history of the sun from birth to death. Using an H-R diagram, locate the sun at various stages in its evolution. Dr. Robertson PHSC 1053/3053 Test #2 Review (Chapter 6-8) What do these symbols mean? How are they used in calculations? 1/f = 1/do + 1/di E=hf h = 6.63 x 10–34 J s m = - di/do = hi/ho LGP = D2 Mtelescope = fo/fe = f n = c/ = 11.6/D c = 3x108 m/s /o = v/c Understand the definition and application of the following terms: wavelength interference absorption line continuum frequency reflection refraction doppler shift diffraction dispersion magnification emission line focal length converging lens/mirror diverging lens/mirror binary star radial velocity electromagnetic radiation polarization coherent/incoherent light X-rays gamma rays radio ultraviolet infrared Waves: How fast do waves travel? How do waves propagate? What do they transmit? What different types of waves are there? Can you calculate the speed and energy of a wave from its frequency? How about wavelength? Optics: Explain the phenomenon of reflection. Explain the phenomenon of refraction using the concept of wave speed. Use the principles of image reconstruction to locate images formed by simple lenses and mirrors Can you calculate magnification or focal length given image and object distances? How does a plane mirror create an image? How does a curved mirror create an image? What type of image is created (i.e. location, magnification, etc.)? How does a lens create an image? What type of image is created? Electromagnetic Radiation: Identify the different regions of the electromagnetic spectrum. What are the three types of spectra? How does light interact with matter? How are wave frequency, wavelength related to energy. What does the energy tell us about atoms? How do atoms interact with electromagnetic radiation? What is doppler shift, what does it tell us? What are some examples of the uses for the doppler effect? How does light tell us about temperature, chemical composition, and energy of objects? What determines an object’s color? What observations of a spectrum are needed to establish temperature? What observations of a spectrum are needed to establish density? What observations of a spectrum are needed to establish chemical composition?