Test #2 - Wednesday, October 8

Review notes, chapter summaries, homework assignments, chapter questions.

Chapter 4:

· speed, velocity, acceleration, gravity

· mass, weight, momentum

· Newton

· three laws of motion

· Universal Gravitation

· Conservation of momentum, angular momentum, energy

· gravitational potential energy, orbital velocity, escape velocity

· Newton's version of Kepler's third law and masses

· gravity and tides

Chapter 5:

· light as wave, particle, photons

· wavelength x frequency = speed of light = 3 x 10⁵ km/sec

· electromagnetic spectrum

· Fahrenheit, Celsius, Kelvin temperature scales

· Planck curve for thermal radiation, color and temperature

· Kirchhoff laws for continuous, emission line, and absorption spectra

· Doppler shift and radial velocity

· atoms, electron orbitals, energy transitions, molecules, states of matter

· spectra and temperature, gas composition

Chapter 6:

· refracting and reflecting telescopes

· Newtonian, Cassegrain, Nasmyth, Coude designs

· light gathering, angular resolution, magnification powers

· imaging and spectroscopy

· interferometry for high angular resolution, CHARA Array

· atmospheric transmission, turbulence, light pollution

· telescopes for radio, infrared, ultraviolet, X-ray, gamma-ray light

· future telescopes