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AST101H5 (52)
Chapter 5

AST101-Chapter 5.txt

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Department
Astronomy
Course
AST101H5
Professor
John Lester
Semester
Fall

Description
Chapter 5Light The Cosmic MessengerAstronomical Evidence1 Meteorites material of the solar system that hits Earth and is recovered2 Moon rocks brought back by astronauts3 Cosmic raysvery high energy subatomic particles from the Sun and deep space4 All meteoritesmoon rockscosmic rays give us very limited information5 Lightalmost all information about space and only connection with distant objectsSpectrum of Light1 White lightvisible light seen by our eye contains all colours mixed together2 White light has very limited information3 Sorting light by colours from deep violet to deep redspectrum of lightfirst step in getting information from lightfirst done by Isaac Newton in 1671What are the Properties of Light1 Light is a wave1 a wave has a length after which it repeats2 a
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