Lecture 4.docx

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Department
Astronomy & Astrophysics
Course
AST201H1
Professor
Michael Reid
Semester
Winter

Description
Lecture 4 1/20/2013 4:46:00 PM Nebula: a cloud of dust in space that produces stars Newton thought light was a particle, Robert Hooke thought it was a wave Light is a wave-particle  light waves are unlike sound and water waves; light is not a wave in something, it is a wave of something -> electric and magnetic fields  Light is an electro-ma
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