1)+Univer.+&+Galax.+-+Ch4.4

= http://scaleofuniverse.com/

Universe
__OUR COSMIC ADDRESS__ Homer-Center J/S HS 70 Wildcat Lane Homer City, PA USA, North America Earth, Solar System Milky Way, Local Group VIrgo Supercluster, Universe
 * Vocabulary/Universography


 * UNIVERSE-SUPERCLUSTERS-CLUSTERS-GALAXIES-STELLAR SYSTEMS-PLANETARY SYSTEMS **


 * CHECK YOURSELF: What is the Proper noun for our ****. . . **


 * Supercluster? **
 * Cluster? **
 * Galaxy? **
 * Stellar System? **
 * Star? **
 * Planet? **
 * Natural Satellite? **

PRACTICE VOCABULARY QUIZ A. Supercluster B. Cluster C. Galaxy D. Stellar System E. Star F. Planet G. Natural Satellite H. Universe

1. a huge ball of nuclear reacting gas that produces light and heat 2. a star and all orbiting bodies caught in ints gravitational pull 3. a group of galaxies 4. a body that orbits something in space; a "moon" 5. a huge group of star systems, gas, and cosmic debris held together into a shape around a central gravitational point 6. a sphere of matter that orbits a star; it must be large enough and gravitationally strong enough to have cleared a path on either side of its orbital path 7. a group of galactic clusters 8. everything that we know to exist


 * http://www.kidsastronomy.com/**


 * //Think about it:// What is a nebula and how does it play a role in star formation?**


 * __THE BEGINNING OF THE UNIVERSE (9-15 BILLION YEARS AGO)__**



Click the word “bang” to read about The Big [|Bang] >
 * Origins, Matter vs. Antimatter


 * __SUPERCLUSTERS__ - //Groups of Clusters//**

Our supercluster, the //** Virgo Supercluster **// or Local Supercluster is shown in the map below, can you find our //cluster// ?

__CLUSTERS__ - a group of galaxies

<span class="style_10" style="line-height: 8px;">*There are 45 Galaxies in //** Local Group **. Many are shown below on this map. Can you find our galaxy? //




 * __GALAXIES__**<span class="style_7" style="line-height: 18px;"> - <span class="style_1" style="line-height: 13px;">Classification of galaxies is by //shape//
 * <span class="style_1" style="line-height: 13px;">Elliptical
 * <span class="style_1" style="line-height: 13px;">Spiral
 * <span class="style_1" style="line-height: 13px;">Irregular

[|click here]<span class="style_1" style="line-height: 13px;"> to learn

**__"Bird's Eye View" of Our Galaxy: Milky Way__**


Did you Know? - Sun is only one of 200 BILLION stars in Milky Way!!!


 * OTHER GALAXIES IN THE UNIVERSE BESIDES MILKY WAY! click here: [] **