PPT-The Size of the Milky Way;

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 . 1/6 2-way 3-way / 3-way short 4-way Replaces: RE 18325-70/07.12 Summary Description Page Common cavity 2-way CA-08A-2N 2 CA-10A-2N 2 CA-12A-2N 2 CA-16A-2N 2 CA-20A-2N 2 Tools 2 Common cavity 3-way s Recap. Canvas homework: due on Wednesday. Lab this week: Galaxy Morphology. Campus Observatory. Milky Way galaxy. Stars: . brightnesses. , masses, sizes, compositions, evolution. Interstellar matter: gas, dust. Section 1: . The Milky Way Galaxy. K. What I Know. W. What I Want to Find Out. L. What I Learned. Essential Questions. What is the size and shape of our galaxy?. What are the different kinds of variable stars?. 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. 23.1 Our Parent Galaxy. 23.2 Measuring the Milky Way. Early “Computers”. 23.3 Galactic Structure. 23.4 The Formation of the Milky Way. 23.5 Galactic Spiral Arms. Density Waves. 23.6 The Mass of the Milky Way Galaxy. 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. Vital Statistics. It’s our home!. Contains more than 200 billion stars, and a mass of ~10. 12. suns. It’s almost as old as the Universe itself!. 13.7 billion years old. Structure. The core and spiral arms are of different . 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.. Now what country…. W. hat continent…. W. hat planet…. W. hat galaxy?. After today’s lesson, you should be able to answer all of these questions and more!. How is our solar system positioned in the milky way galaxy and the universe?. 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). La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . 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). László Dobos, Tamás Budavári, Carrie Filion,. Rosie. Wyse, Alex Szalay. Dept. . of . Physics. & . Astronomy. , The . Johns. Hopkins University. Subaru . Prime. . Focus. . Spectrograph. Manua.