PPT-Expanding (3 1)-Dimensional universe from the IIB matrix model

Asato Tsuchiya Shizuoka Univ SQS 2013 Bogoliubov Laboratory July 29 th 2013 References SangWoo Kim Jun Nishimura and A T PRL 108 2012 011601 arXiv11081540. Lecture . 10; . May . 14 2013. Previously… on astro-2. If the universe is homogenous and isotropic and correctly described by General Relativity:. At any given time the universe is a 3D space. It could be open/close/flat. Significance . of a dark night . sky. The Universe . is expanding. The . Big Bang. initiated the expanding Universe. Microwave radiation . evidence . of the . Big Bang. The Universe was initially hot & opaque. w. here does it end?. Chris North. Cardiff University. The speed of light. c = 299,792,458 m/s. . or 670,616,629 miles per hour. . or 2 million . million. furlongs per fortnight. or ~300,000 km/s. The Milky Way Galaxy. When you look into the hazy band of light across the sky, you are actually looking at our galaxy from the inside. While an awesome sight, you can only truly begin to see it if you get away from city lights on a moonless night. . Run time backwards .  all the matter has to be together at the same place and at the same time. Universal Expansion. V. r. = . H. o. D. . Time = D/V. The Ant Universe. Ants on surface of a balloon are a good model – the ants can “traverse” the surface of the balloon and never run into a boundary. Lecture 3; April . 11 2013. Previously.. On Astro-2. The universe is much larger than the Milky Way (Gpc vs kpc). There are billion of galaxies, the Milky Way is average Joe galaxy. Most galaxies can be classified based on their appearance as . Authors. K.M. . Azharul. . Hasan. . . Md. . Abu . Hanif. . Shaikh. Dept. of . Computer Science. and Engineering. Khulna University of Engineering & Technology, . Khulna, Bangladesh. Darci. Collins. Beginning of the Universe. In Medieval philosophy there was much debate over whether the universe had a finite or infinite past . Johannes . Kepler. used the dark night sky to argue for a finite universe.. Ryan Broll. Overview. Always referring to “shape” at all times, because of special relativity.. Curvature vs. Topology. “Flat or curved” vs. “Open or closed”. FLRW model. Named after scientists. 2014. Professor Patrick Hall . [phall@yorku.ca]. Assoc. Professor & Undergraduate Program Director. Department of Physics and Astronomy. Faculty of Science. York University. Science Resources at York. The universe is a big place, perhaps the biggest. . –Kurt Vonnegut. Cosmology. Cosmology is the study of the nature of the universe, how the universe began and how it will end, if it does. There is religious cosmology, and scientific cosmology. The Snowflake Universe Overview of Snowflake Universe Model for Bahamas Conference May 13, May 17, 2018 Printed May 11, 2018 (Reprinted/edited for PowerPoint Distribution May 29)  By John M. Kulick (B.S.E.) Astro. Ch. 11-1. Cosmology. The . study of the nature, origin, and evolution (how it changes) of the universe. Basically . the study of the universe as a whole. Cosmology . is an attempt to understand how the universe works. The expanding Universe. Recap. Milky . Way. Distances in the Milky Way: our Galaxy is very large. Other galaxies. Galaxy . properties. Morphology: spiral and elliptical galaxies, spirals can appear different depending on viewing .