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This 3 page Class Notes was uploaded by Sydnie Terry III on Monday October 12, 2015. The Class Notes belongs to GEOL110 at Imperial Valley College taught by KevinMarty in Fall. Since its upload, it has received 31 views. For similar materials see /class/222201/geol110-imperial-valley-college in Geology at Imperial Valley College.
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Date Created: 10/12/15
Chapter 24 Starsx Space and Galaxies l a Outline the three main forms of evidence to support the support the big bang theory b What happened between 15 minutes and 10 minutes after the Universe formed that greatly affected its evolution 2 What is a light year How far is it in kilometers 3 Match the Sun39s layers in column A with its corresponding feature in column B Column A Column B 1 Core a Sunspots 2 Photosphere b Spicules 3 Radiative Zone c Prominences 4 Chromosphere d nuclear reactions 5 Corona e photon absorption emission 4 What opposing factors determine the size and density of a star 5 Explain howthe Sun will destroy the Earth in a few billion years What will happen to our Sun after it becomes a Red Giant what is its next stage and how will it get there 6 How do elements heavier than iron form 7 a What is a supernova Do all stars eventually explode as supernovas explain b Now What is a neutron star Do all supernovas lead to the formation of neutron stars 8 Could a black hole be hidden in our Solar System Why orwhy not 9 Would you be likely to find life on planets that are orbiting around a population star Explain 10 Arrange the following in a sequence representing the life history of a star 1 supernova 2 hydrogen fusion in core 3 contracting nebula 4 formation of a red giant 5 protostar 6 helium fusion in core 7 neutron star 8 collapse Mult Choice 1 Black holes are formed from stars that are a less than one solar mass b 144 to 4 solar masses c 4 to 5 solar masses d more than 5 solar masses 2 A cool star is a white b blues c yellow d red 3 Main sequence stars located in the upper left of the HR diagram are a more massive than main sequence stars in the lower right b less bright than main sequence stars in the lower right c cooler than main sequence stars in the lower right d closer to Earth than main sequence stars in the lower right 4 The sun39s total life expectancy is a 1 billion years b 5 billion years c 10 billion years d 10 trillion years 5 Black holes are detected because they a are large b emit odors c interact with orbiting stars d have infinite density 6 The idea that most distant galaxies have the greatest red shifts because they are moving outward at the greatest speeds is a the Lighthouse theory b the Doppler affect c Hubble39s Law d Einstein39s theory of Relativity 7 Very distant objects that are about 4 light years across and emit enormous amounts of energy received as radio waves on Earth are a neutron stars b pulsars c black holes d quasars 8 Sunspots a are hotter than the surface around them b are produced by the Sun39s magnetic field c individually last only for seconds but reappear fast d all of these answers 9 When a main sequence star runs out of hydrogen fuel the first thing it does is a cool off and collapse into a white dwarf b contracts and releases hundreds of times the energy as when it was mature c cool off layer by layer core first d harden into a planetary core