Redshift draft
Refraction
Red-shift and the Expansion of the Universe. Wavelength - the distance over which a wave repeats itself (a) Longer wavelength; (b) shorter wavelength.
18.4 Color This student is looking at many colors on his computer screen. What he is actually seeing, however, are combinations of only three colors of.
Chapter #12 Sound and Light. Chapter 12.1 Notes Decibels (dB) units used to measure sound intensity. Infrasound any sound consisting of waves with frequencies.
Section 7.3. Hubble’s Ideas... Edwin Hubble (1889-1953) An American astronomer One of the first to study galaxies Two of his major findings changed.
The expanding universe
Lesson 2. Review - Energy in a Wave A wave is a disturbance that transfers energy from one point to another without transferring matter. In a water wave,
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