PPT-Classifying galaxies is hard, and different people do it di

Except for nearby we can only see bright galaxies I will ignore dwarf spheroidal dSph and dwarf elliptical dE classifications Galaxies come in four broad categories based on their appearance. Li Jiang-Tao. 1. Service d’Astrophysique, CEA, Saclay, France. 2. . Department. of . Astronomy. , . University. of Michigan, Ann Arbor, USA. Outline. 1. Introduction. 2. Diffuse X-ray . observation. Giuseppina. . Battaglia. Instituto. de . Astrofisica. de Canarias, Tenerife. Credit. : ESO/. H.H.Heyer. Credit. : ESO/L. . Calçada. Karachentsev. et al. 2014. Individual . Red . Giant Branch . stars. 23. vs. .. 1. First spiral nebula found in 1845 by the Earl of . Rosse. . Speculated it was beyond our Galaxy.. 1920 - "Great Debate" between Shapley and Curtis on whether spiral nebulae were galaxies beyond our own. Settled in 1924 when Edwin . Craig Sarazin. University of Virginia. M86. (. Randall et al. 2008). . Abell. 2052. (Blanton et . al. . 2011). Optical light dominated by bulge. Last star formation typically billions of years ago. around Abell 370, . a galaxy cluster at z = 0.37. International SKA . Forum 2010 . Philip Lah. A New Golden Age for Radio Astronomy. Collaborators:. . Frank Briggs (ANU). . Michael Pracy . S. R. Kulkarni. References. This is a tutorial . Primary reference: E. Berger (2013) Annual Review. GW perspective: . Kalsiwal. & . Nissanke. (2013) . Properties. Defined primary by duration (T<2 . Let’s look back at the rotational velocity equation:. v = (M. interior. G/r). 0.5. The rotational velocity is constant at big r values.. What must we conclude?. The mass interior to the orbit is still increasing. Even after the radius r has gone beyond the last of the stars. It must be increasing in order to hold v constant.. .. 1. First spiral nebula found in 1845 by the Earl of . Rosse. . Speculated it was beyond our Galaxy.. 1920 - "Great Debate" between Shapley and Curtis on whether spiral nebulae were galaxies beyond our own. Settled in 1924 when Edwin . Priest Associate Professor of Physics. Galaxies. 9/4/18. Milky Way Galaxy Contents & Motions. 9/11/18. Milky Way Environment & the Local Group. 9/18/18. Other Galaxies & Clusters of Galaxies. People First of St. Charles, MO teams up with MODDC, DDRB, MACDDS, and The Arc every spring and pull together a campaign. In the past we have worked on ones such as, “ Clean Up Your Language”, “ Everyone Wins, when Everyone in” . Laura . Magrini. INAF- . Osservatorio. . Astrofisico. di . Arcetri. In Our Galaxy. Open clusters (disc population): . Many (~2200 known clusters). . even more new candidates in the inner disc from infrared surveys . Florian Tramèr. Stanford University, Google, ETHZ. ML suffers from . adversarial. . examples.. 2. 90% Tabby Cat. 100% Guacamole. Adversarial noise. Robust classification is . hard! . 3. Clean. Adversarial (. 1 in every 10 people has dyslexia.. It often runs in families.. Dyslexia can be.... Finding it hard to read because you can’t match sounds to the letters in words. . . . . . . and you may lose the place a lot when you try to concentrate. FOR TODAY. Learn. the mechanics of a hard ask and best practices for making one . Develop and practice . your hard ask . Feel confident . making hard asks for your organizing work. Why do people volunteer?.