PPT-Astro-2: History of the Universe

Lecture 2 April 9 2013 Previously On Astro2 The goal of cosmology is to understand how the universe formed and evolved How can we build a theory of the universe valid at all times in every place . Homogeneous and uniform cosmic expansion . Hubble constant determines scale factor . Hubble diagram was based on a limited distance scale calibrated by Cepheid variable stars in relatively nearby galaxies. Astro-H Stanford. 1. Scientific Opportunities . Roger Blandford. KIPAC. Stanford. Astro. -H Science. HXI. 5-80 . keV. , 2’, ~100’. 2. , 0.03 m. 2. , . ~10 . m. Crab. , 10. m. s. SGD. 40-600 . keV. The Universe is commonly defined as the totality of existence, including planets, stars, galaxies, the contents of intergalactic space, the smallest subatomic particles, and all matter and energy. . Similar . 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 . SIZE and Scale. Of The. Universe. What is your Cosmic Address?. Size and Scale of the Universe. # Street. City. State. Country. Continent. Hemisphere. . Planet. Orbit. Star?. …?. …. …. …. …. Chapter 38. Reminders. Complete last Mallard. -based reading quiz before class on . Thursday (. Ch 39).. I will be sending out last weekly reflection and sample final . on Thursday. . Final exam Thursday, . (ISAS/JAXA), S. Imai (Tokyo Tech, ISAS/JAXA). . N. . Isobe. , N. Kawai, Y. . Yatsu. . (Tokyo Tech). T. . . Kohmura. , K. . Tamasawa. , Y. Ozawa, K. Yasuda (Tokyo Univ. of Science. ). M. . Arimoto. The universe is the sum of all energy, matter, space and time.. But there. ’. s a difference between the universe we see (the observable universe) . and the universe as it really exists.. This gets complicated….. 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. 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 . 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. If the universe was 1 year old . . .. Science/religion – either/or?. How do we predict the conditions of the early universe?. What are the different eras in the early universe?. What key lines of evidence support the Big Bang model?. Signos Zodiacales. Recorderis. SIGNO. La . palabra signo deriva del vocablo latino . signum. . . Es . un término que describe a un elemento, fenómeno o acción material . que . sirve para representar o sustituir a otro. Un signo es también aquello que da indicios o señales de una determinada . Astro 4: Stars, Galaxies, and the Universe *Rick Nolthenius Call me “Rick”. *Office: 706a 479-6506 *email: rinolthe@cabrillo.edu *visit my extremely excellent website! Textbook – “The Cosmic Perspective – Stars, Galaxies, Cosmology” – Bennett, Donahue, Schneider, and