Ptolemy v - Study guides, Class notes & Summaries

What is the speed of light? Correct answer- Light can travel enormous distances under short periods of time. It is faster than any other phenomenon. It takes about 8 minutes for light to travel from the Sun to Earth. The speed of light in a vacuum is c=3x10^8 m/s. Why is light such an important tool for astronomers? Correct answer- Because light is how we learn about distant objects without travelling there. It is also a measuring took of astronomy. Light is a wave and a particle. How are ...

Medieval Worldview - ANSWRS-very religious Platonist- two realms (god/man) Aristotle and Ptolemy-geocentric earth center 2 laws- moon and beyond v this world Great chain of being- humans not on top or bottom Man- corrupted by sin in God's image can't move up in life capability to reason comes from God rational thought must be guided by revelation Th Black Death - ANSWRS-Flu like- fever chills, swelling bulbous glands, septic shock, painful sores, multi organ failure Messinah Sicil...

PHY 102: Exam and Homework Q's and Answers Which of the following are parts of the scientific process, as described in class? (Check all that apply). Answer- A. building a theory or hypothesis E. careful observation or measurement F. experimental tests of a hypothesis H. modification of the model or theory (if needed) The speed of light, c, (measured in meters/second) is...? Answer- E. 300,000,000 A light year is... Answer- C. a unit of distance Color, Wavelength, Frequency, ...

Which scientist discovered that the universe is made up of galaxies? Correct answer- Hubble One half second after starting from rest, a freely falling object will have a speed of about Correct answer- a = Vf-Fi / t , 9.8m/s^2 = Vf - 0 / .5s, Vf = 4.9 m/s Which part of the sun is the outermost layer? Correct answer- Corona The slope of a velocity vs time graph tells you the Correct answer- acceleration True or False: The universe is expanding. Correct answer- True Stars that have ___ mass ...