PPT-PHY134
Author : danika-pritchard | Published Date : 2016-06-26
Introductory Astronomy Waves and Light 1 Waves Periodic disturbances characterized by frequency in Traveling at speed produce periodic wave with wavelength
Presentation Embed Code
Download Presentation
Download Presentation The PPT/PDF document "PHY134" is the property of its rightful owner. Permission is granted to download and print the materials on this website for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
PHY134: Transcript
Introductory Astronomy Waves and Light 1 Waves Periodic disturbances characterized by frequency in Traveling at speed produce periodic wave with wavelength Amplitude . Introductory . Astronomy . The . Celestial Sphere. 1. The Celestial Sphere. Pattern of stars . unchanging. : can imagine them fixed on a sphere surrounding Earth. Celestial Sphere. is large and rigid. Introductory Astronomy . The. Sun and the Moon. 1. So Far. Stars . fixed on a large celestial sphere that rotates daily . East . to . West . about an axis through Earth’s poles. Declination . is celestial longitude. Observer’s . Introductory Astronomy . Tides and Matter. 1. Leftovers. Earth . is in free fall under gravity of Sun, so. Sun’s gravity has no effect on Earth!. Almost. none. There are remnants of gravity even in freefall: . Introductory Astronomy . The Solar System. 1. When Light Meets Matter. Dense objects . absorb . light energy or . reflect . it.. How much absorbed can depend on wavelength – . dyes. . Can learn . composition . Introductory Astronomy . The. Sun and the Moon. 1. So Far. Stars . fixed on a large celestial sphere that rotates daily . East . to . West . about an axis through Earth’s poles. Declination . is celestial longitude. Observer’s .
