Explanation Auroras are phenomenon in which the sky is appeared to be colored. These are occurring mainly in the sky of southern and northern pole of the earth. This is due to the charged particle emitted by the sun. The charged particles are mainly proton and electron, when the entering into the atmosphere interacts with the nitrogen and oxygen atoms. Due to the excitation the light emitted with a particular colored wavelength would spread across the sky. Conclusion: The charged particle emitted from the sun is electron and proton which would interact with nitrogen and oxygen atom in the atmosphere...

Package: Loose Leaf The Physical Universe With Connect Access Card

16th Edition

ISBN: 9781259732188

Author: Konrad Krauskopf

Publisher: McGraw-Hill Education

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Chapter 18, Problem 7MC

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What is the reason for Auroras.

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Chapter 18, Problem 6MC

Chapter 18, Problem 8MC

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Why does the Sun not collapse under its enormous weight? a) The Sun is about 4.6 billion years old. If it could have collapsed by now , it would have. b) Because the Sun is in hydrostatic equilibrium. c) Because the Sun is not in hydrostatic equilibrium. d)More than one of the above.

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3 Which among the following justifies aurora borealis’ connection to Earth acting as a gigantic magnet?* The sun’s ejected charged particles are deflected towards the poles of where Earth’s magnetic field is the strongest The magnetic field lines are equally spaced at the poles that it arranges the charged particles from the sun accordingly The solar wind from the sun interacts with the Earth’s ionosphere The magnetic field which is negligible in the poles pull towards them the sun’s ejected charged particles

Chapter 18 Solutions

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