PPT-Our Universe Lessons 3-4

Our Universe Lesson 3 Life Cycle of a Star Lesson Objectives Lets Talk Vocabulary Doppler Effect Electromagnetic Waves Red Shift Blue Shift Parallax Lets Talk Vocabulary Doppler Effect the change in a sounds pitch based on the observers position. Expanding Universe – consistent w/ a Big Bang?. Olber’s Paradox. Large Scale Structure and relation to Dark Matter. Evidence for the Big Bang. The Cosmic Microwave Background. The abundances of the elements. THE . ROLE OF “NATURE”. IN . THE POLITICS OF THE ENVIRONMENT. . Neuchatel, Switzerland. June 14-15, . 2014. What’s Happening at the. Bottom of the . Pyramid. J. . Dirck. Stryker. What Do We Mean by Nature?. Flat Earth Theory. Flat Earth Theory. Date: Ancient Times. Scientists: Babylonians, Egyptians. Theory Description: The world is a flat disk, not a sphere. Evidence: None. As early as the 4. th. century BC, scientists and philosophers, such as Aristotle, realized that the Earth was a sphere. Essential Question: 6. Essential Question 6:. Where does Earth and Man fit into the . Universe. ?. https://search.yahoo.com/yhs/search?p=whre+does+earth+fit+into+the+universe&ei=UTF-8&hspart=mozilla&hsimp=yhs-002. Hubble Expansion and the Big Bang . The fact that more distant galaxies. have higher . redshifts. . indicates that the universe is expanding. This implies that the universe was born in a huge explosion, or . From t=0 to the CBR Era. The CBR. Universe hotter & denser in the past. For T high enough - ionized & opaque – blackbody. and. Currently T=2.726 K. z(opaque. . transparent)~1100 K. Lecture 2; . April 9 2013. Previously.. On Astro-2. 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? . 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. 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 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?. When children begin music lessons, some parents have little music experience and feel unsure of their role. As they wonder how to help, parents have common questions like whether to assist their children with completing written assignments, providing an appropriate level of communication with the teacher, the amount of help to offer their kids with music during practice, and how much music they should learn. Visit: https://artsandmindsacademy.com/ Back to the Beginning: Big Bang. . Misnomer. ! . . Expansion not explosion. No center or edges: . isotropic and homogeneous. . Redshift of galaxies and nuclei of galaxies with active black holes .