PDF-(BOOS)-The Story of the Universe in 100 Stars

See the universe like never before through brief portraits of 100 stars with incredible stories and science to shareThe story of the universe is also a story about humansfrom mythology to science fiction the star of Bethlehem to the Gaia space mission Astronomer Florian Freistetter explores it all in The Story of the Universe in 100 Stars His handpicked group of celestial bodies are the guests youd want most at a dinner with the stars Short easytoread chapters introduce stellar explosion GRB 080319B the farthest object ever observed with the naked eye Algol called the Demon Star for its mysterious blinking Delta Cephei whose clocklike changes helped astronomer Henrietta Swan Leavitt measure the universe and more shining personalitiesFreistetter reveals what stars can tell us about the extinction of the dinosaurs and the search for extraterrestrial life as he explores how stars influence our culture and thinking So sit back relax and enjoy your journey through the cosmos. 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. Our Evolving Universe. 1. Introduction: The Night Sky. What do we see in the night sky?. the Moon. moving planets. occasional comets and meteors. against a background of randomly scattered “fixed” stars and the band of the Milky Way. Cosmology. The Study of the Creation and Evolution of the Universe as an entity. Did the Universe have a beginning?. If so, how did it begin?. When did it begin?. Has the Universe changed over time?. V.Aravinthan. 2011/FM/034. WHO WE ARE?. WHAT IS LIFE?. The condition that . distinguishes. . animals and plants from inorganic matter. , including the capacity for growth, reproduction, functional activity, and continual change preceding death .. Solar Systems. Galaxies. The Andromeda Galaxy. Aliens. The Drake Equation. Alien Inquiry. Solar System .  big. Galaxies  Bigger. Universe  BIGGEST. Universe Size Comparison. A Solar System is made up of all the . Theistic Argument from Order. Prime Principle of Confirmation . Paley-Style Design Argument and the Challenge of Darwinism. Datum (D). Complex and Intricate Structure of human and animal bodies. . D favors theism over chance since D is more to expected given theism than chance.. 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 . Soprano I Hence  stars,  you  daz- zle but the sight,   you teach to Soprano II Hence  stars, \r \r \r Alto Hence  stars, hence   stars too  dim of light,  you  daz-  zle  b Extraterrestrials. CELESTIAL BODIES. Astronomy that influence people’s lives and behavior. Astronomy – study of the night sky(planets, galaxies, stars, and other celestial bodies). UNIVERSE – it is everything that exists. i.e. ignoring dark matter/energy . Let’s do that. Our . universe likely contains more than 100 billion galaxies, and each of those galaxies may have more than 100 billion stars. .. Stars in the heavens may also appear to be different colors because their temperatures are not all the same. Hot stars are white or blue, whereas cooler stars appear to have orange or red hues.. 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….. Chapter 2. Stars. Section 1 Vocabulary. Spectrum. Apparent Magnitude. Absolute Magnitude. Light-Year. Parallax. Color of Stars. Red and Yellow. Cool. Blue . Warm. Blue flame hotter than yellow flame. 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 .