PPT-Milky Way: Bright Band Across Sky

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 SuperMassive Black Hole . Galaxy. part 2. Unit: . Galaxies. Star systems like our Milky Way. Contain a few thousand to tens of billions of stars.. Large variety of shapes and sizes. Galaxy Diversity. The Hubble Deep Field:. Futures Scholarship Program and . Florida . PrePaid. College Plan. (. 2016-17). Florida Bright Futures Scholarship Program. The Florida Bright Futures Scholarship Program rewards students for their academic achievements by providing funding to attend postsecondary institutions in Florida. 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. 11 pictures taken here on earth,. Of what . i. s out there in the. Universe . Devils Tower. A mysterious formation known as Devils Tower rises into the lightened sky in north eastern Wyoming's prairie in this image. Seen against the night sky's thin, pale clouds, star clusters and nebulae of the Milky Way . 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. Aug. 24 -- 10am class. Turn in HW 1 in the front of the room. If you didn’t get HW 1 on Monday, turn it in on Friday.. If you didn’t get the telescope lab on Monday, pick it up from Johanna.. 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:. Results. The taxi & radio promotion achieved 5,126 competition entries, driving strong impressions online (+54% above the norm) and in social (+21% above the norm). .. OOH . in particular performed strongly, with recall being 43% higher than TV per £1 million spent. . The Greek philosopher Democritus (450–370 BC) proposed that the bright band on the night sky known as the Milky Way might consist of distant stars. Aristotle (384–322 BC), however, believed the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which is continuous with the heavenly motions.“ The . Bright light story. The farmer was crossing the field at dusk when a bright light was sighted in the sky. Upon reaching the farmhouse, Olson made a telephone call to the sheriff. The farmer grabbed a camera and dashed outdoors to get pictures. The next day the big news report in the local paper was an alleged UFO sighting.. 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. 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).