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![Page 1: Earth in the Universe Topic 3 Remember to wait for the vocabulary word to pop up at the end! Can you guess it before it comes up? Created by P. Bordas.](https://reader038.fdocuments.us/reader038/viewer/2022103122/56649cb85503460f9497e39f/html5/thumbnails/1.jpg)
Earth in the Universe
Topic 3
Earth in the Universe
Topic 3
Remember to wait for the vocabulary word to pop up at the end! Can you guess it before it comes
up?
Created by P. Bordas MS, CCC-SLP
![Page 2: Earth in the Universe Topic 3 Remember to wait for the vocabulary word to pop up at the end! Can you guess it before it comes up? Created by P. Bordas.](https://reader038.fdocuments.us/reader038/viewer/2022103122/56649cb85503460f9497e39f/html5/thumbnails/2.jpg)
Origin and Age of the Universe
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Celestial Object
Any object outside or above Earth’s atmosphere
http://news.globaltv.com/1976920.bin?size=sw620nws
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Universe
Everything that exists in any place – all the space, matter, and energy in
existence
http://www.sydneyobservatory.com.au/blog/wp-content/uploads/2007/06/milky-way-map_atlas-of-the-universe.jpg
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Big Bang TheoryStates that all matter and energy
started out concentrated in a small area and, after a gigantic explosion, matter
began to organize into subatomic particles and atoms.
http://en.beta.rian.ru/images/15660/40/156604039.jpg
?
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Doppler EffectThe shifting of wavelengths
http://dragonphysics.pbworks.com/f/1234547786/gene%20waves_doppler.gif
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Blue ShiftThis results when the Earth and
another celestial object are coming closer together and the electromagnetic
waves are bunched together
http://images2.cafepress.com/product/331573172v2_225x225_Front.jpg
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Red ShiftThis results when the Earth and
another celestial object are moving apart and the electromagnetic waves
are spread out
http://images3.cafepress.com/product/331573403v2_225x225_Front.jpg
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Structure of the
Universe
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GalaxyA collection of billions of stars and
various amounts of gas and dust held together by gravity
http://www.propermotion.com/jwreed/Photography/Andromeda%20Galaxy.jpg
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Milky Way GalaxyOur solar system is a part of this spiral-
shaped galaxy
http://www.sciencenewsforkids.org/articles/20050202/a667_6174.jpg
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StarUsually a large ball of gas held together
by gravity that produces tremendous amounts of energy and shines
http://images.astronet.ru/pubd/2006/06/20/0001214544/leoregulus_croman.jpg
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Nuclear FusionCombining of the nuclei of smaller
elements to form the nuclei of larger elements with some of the mass being
converted into energy
http://www.lancs.ac.uk/ug/hussainw/fusion.jpg
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LuminosityMeasures how bright a star would be in relation to the sun if all stars were the
same distance from an observer
http://www.daviddarling.info/images/luminosity_class.jpg
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Solar System
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Solar SystemThe sun and all objects that orbit the sun under its gravitational influence
http://horoscopicastrologyblog.com/wp-content/uploads/2008/11/solar-system.jpg
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AsteroidA solid rocky and/or metallic body that
independently orbits the sun
http://www.spacedaily.com/images/asteroid-617-patroclus-binary-jupiter-orbit-desk-1024.jpg
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MoonBody that orbits a planet or asteroid as
those objects orbit the sun
http://scienceblogs.com/startswithabang/upload/2009/08/paper_folding_to_the_moon/moon_2_bg_0722021.jpg
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Comet•Mainly composed of solids that easily change to gases when heated
•Largely ices of substances such as water and methane mixed with rocky or metallic solids
http://www.astro.cornell.edu/academics/courses/astro2201/images/comet_west.gif
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MeteorVery small solid fragments that orbit the
sun
http://msnbcmedia1.msn.com/j/msnbc/Components/Photos/041112/041112_leonid_meteor_vmed.widec.jpg
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Impact craterA depression in the Earth’s crust created by a meteorite that has
sufficient mass
http://www.lpi.usra.edu/science/kiefer/Education/SSRG2-Craters/meteor_crater.gif
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Impact Event
Even after Earth and other planets formed,
their gravitational forces pulled on the smaller clumps of matter to
cause comets, asteroids and meteoroids to collide
with planets in what is called….
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Planet Characteristics
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Terrestrial Planets•Close to the sun and mostly solid
•Relatively small diameters and high densities
•Rocky surfaces are dotted with impact craters
•Have few or no moons and have no rings
•Planets similar to Earth including: Mercury, Venus, Earth and Mars
http://www.eso.org/public/outreach/eduoff/vt-2004/Background/Infol2/vt2004-if8-fig3.jpg
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Jovian Planets•Far from the sun
•Relatively large diameters and low density
•No solid surfaces and no craters
•Have many moons and rings
•Are planets similar to Jupiter including: Jupiter, Saturn, Uranus and Neptune
http://startswithabang.com/wp-content/uploads/2008/10/outer_planets_small_2.jpg
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RotationPlanets spin with this motion on an
imaginary axis, amount of time it takes for a planet to spin one time around its imaginary axis determines the length of
its day
http://www.physicalgeography.net/fundamentals/images/earth_rotation.jpg
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RevolutionA planet’s movement around the sun in
a path called an orbit
https://hhe.wikispaces.com/file/view/Picture_44.png/63661306/Picture_44.png
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Ellipse Oval shaped orbit made by the Earth
http://www.astronomyforbeginners.com/images/diagrams/ellipse_orbit.gif
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Foci, Focus Fixed points within the ellipse
http://upload.wikimedia.org/wikipedia/commons/c/c9/Kepler1.gif
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Eccentricity The degree of flattening or “ovalness”
of an ellipse is measured by this
http://cxc.harvard.edu/csc/why/imgs/JD_err_ellipses.jpg
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Inertia The concept that an object at rest will
tend to remain at rest, and that an object in motion will maintain the
direction and speed of that motion unless an opposing force affects it
http://www.asc-csa.gc.ca/images/spacesuit_inertia.jpg
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Gravitation Attractive forces that exist between any
two objects in the universe
http://psychogeeks.com/wp-content/uploads/2007/04/gravity.gif