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THE MILKY WAY

THE MILKY WAY. Day 3: Neighbours. THE LOCAL GROUP. Includes 30 galaxies Gravitational center between the Milky Way and the Andromeda galaxy 10-million light year diameter. Andromeda Galaxy. 2 million light years away Nearest spiral galaxy

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THE MILKY WAY

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  1. THE MILKY WAY Day 3: Neighbours

  2. THE LOCAL GROUP • Includes 30 galaxies • Gravitational center between the Milky Way and the Andromeda galaxy • 10-million light year diameter

  3. Andromeda Galaxy • 2 million light years away • Nearest spiral galaxy • Largest galaxy in the Local Group- about one trillion stars!!

  4. Milky Way Galaxy • Our home galaxy • 2nd largest member of the Local Group

  5. Triangulum Galaxy • “The Pinwheel Galaxy” • 3 million light years away • 3rd largest member of the Local Group

  6. Others • The local group consists of about 30 other smaller galaxies

  7. Sagittarius Dwarf Irregular • About 3.4 million light years away • Discovered in 1977 using the Schmidt telescope • Most distant object in the Local Group ia.org/wikipedia/commons/e/e3/Messier_54.png

  8. Large and Small Magellanic Clouds • Satellite galaxies of the Milky Way • Visible to the naked eye from the Southern Hemisphere

  9. Colliding Galaxies • Sagittarius Dwarf Elliptical Galaxy • Canus Major Dwarf Galaxy • Closest galaxy • 42000 light years away from the center of the Milky Way

  10. THE VIRGO SUPERCLUSTER • The Local Group is one of many groups in the Virgo Supercluster • Contains at least 100 galaxy groups

  11. OUR PLACE IN THE UNIVERSE • Community • County • Province • Country • Hemisphere • Planet • Stellar System • Galactic Position • Galaxy • Group • Supercluster

  12. http://www.cbc.ca/quirks/archives/06-07/images/MilkyWayGalaxyNASA.jpghttp://www.cbc.ca/quirks/archives/06-07/images/MilkyWayGalaxyNASA.jpg • http://www.nasa.gov/images/content/236088main_milkyway516.jpg • http://www.astro.wisc.edu/goat/images/13.jpg • http://hyperphysics.phy-astr.gsu.edu/HBASE/starlog/strclos.html • http://en.wikipedia.org/wiki/Orion_Nebula • http://www.astrographics.com/GalleryPrints/Display/GP0112.jpg • http://en.wikipedia.org/wiki/Barred_spiral_galaxy • http://www.obspm.fr/actual/nouvelle/aug02/accretion.en.shtml • http://cache.eb.com/eb/image?id=94941&rendTypeId=4 • http://images.astronet.ru/pubd/2002/04/08/0001175712/ngc2787_hst.jpg • http://apod.nasa.gov/apod/image/0711/pleiades_fs_big.jpg • http://seds.org/~spider/spider/LG/Pics/sexA_big.jpg • http://www.spacetoday.org/images/Hubble/HubbleBeauty/NGC7742SpiralGalaxyNASA.jpg • http://www.cita.utoronto.ca/~dubinski/bcg/fig3.gif • http://www.starlight-news.co.uk/images/merger2.jpg • http://www.cartage.org.lb/en/themes/Sciences/Astronomy/TheGalaxies/Galaxies/EllipticalGalaxies/m87.gif • http://lh6.ggpht.com/_h-cF21vnXPo/R4WDZgJm-MI/AAAAAAAACSk/QDV0gatdxgo/Cosmic+Bullets.jpg • http://www.grg.org/charter/Universe.jpg

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