PPT-The legend of The Milky Way

bye Angelina Battle The legend of The Milky Way This is what old people told me when I was a child Long ago when the world was new there were not many stars in the sky In those days people depended on corn for their food They would grind it and keep it in bins behind their homes Bread made from cornmeal often kept them from starving during the long winter months . (Resolved by Galileo). Milky Way:. Galactic Structure and Dynamics. Milky Way has spiral structure. . Galactic Bulge surrounds the Center. . Powerful radio source Sagittarius A at Center. C. ontains Super-Massive Black Hole . o. f King Arthur. Why is King Arthur important?. Ideals of British chivalry (perfect). Cultural history and values. Characteristics of a Romantic Hero. Mysterious Birth. Duke of Cornwall + Igraine + Uther Pendragon. r. obert . nesta. marley. EARLY LIFE. BORN AS ROBERT NESTA MARLEY ON FEBRUARY 6, 1945 IN ST. ANN PARISH JAMAICA TO. CEDELLA MALCOM AND CAPTAIN NORVAL MARLEY.. AT 16 MARLEY & HIS MOTHER MIGRATED TO KINGSTON JAMAICA IN TRENCH TOWN. IT WAS HERE THAT THE MAN, THE MUSIC & LEGEND ALL BEGAN. Paul McMillan. Surveys For All, 1st February 2016 . Why do we care?. On the biggest scales, the ΛCDM model works. Why do we care?. On the scale of individual galaxies, agreement is less obvious.. Things are more complicated, we have to consider the baryons. The Milky Way: Our Home Galaxy. What are the different. components of the Milky Way?. How do we see those components?. What does a map of each component look like from our point of view?. Stars in the Milky Way. Spiral Structure. . The Astronomical Context. By the 1920’s, we knew that the once-mysterious spiral nebulae were flattened galaxies. . Our Milky . Way is . also. flattened. . Two obvious . questions arose:. Our Place Within It. . . The Visible Milky Way. The Milky Way as Seen From Texas. (from Canada, we can. ’. t see the Southern Cross). The Obvious Questions. How big is the Milky Way, and where are we located? At the . Contains more than 100 billion stars. Is one of the two largest among 40 galaxies in the Local Group. Our Solar System is located a little more than half way from the galactic center to the edge of the galactic disk.. Chapter . 13, . Sections . 1. -5,7 (12 . pages). Homework for Next Time: . www.galaxyzoo.org. Question. Which of these is a picture of the Milky Way?. A. B. D. C. The Milky Way. Angular Size. Andromeda: MW’s Sister Galaxy. Neoplatonist. philosopher . Olympiodorus. the Younger (c. 495–570 AD) criticized this view, arguing that if the Milky Way were sublunary it should appear different at different times and places on the Earth, and that it should have parallax, which it does not. In his view, the Milky Way was celestial. This idea would be influential later in the Islamic world.. Here’s the mystery story we’ll unfold…. Fuzzy blobs in the sky – new solar systems, or “galaxies”?. Observational tests. Herschel’s map of the “universe” . (what we today know as just our Galaxy). The astonishing variety of galaxies derived from a few structural types. Sec 1.3. Irregulars. = misfits in any class. Edwin Hubble . The Realm of the Nebulae . (1936. ). ‘. Tuning Fork’ classification scheme of galaxies. David Spergel. What has changed?. Context:. Standard cosmological model. No galaxy is an island… (John Dunne vs. Immanuel Kant). Tools:. Statistical galactic astronomy. 100s of stars -> 100,000s -> 1e9 (GAIA +LSST). ARHGEF28. . p.Lys280Metfs40Ter. Amyotrophic lateral sclerosis. Alzheimer’s disease. Cerebral palsy. I. II. III. IV. V. Figure e-1. Family with multiple generations affected by ALS.. A. Individuals in the family are affected primarily with ALS without features of cognitive impairment. Small dashes above family members in the pedigrees indicate those individuals who were available for DNA analysis. Squares and circles denote male and female family members, respectively. Coloured symbols represent affected family members as described on the legend, and open symbols represent unaffected family members. Diagonal lines indicate deceased family members, and arrows indicate the .