PPT-Earth’s formation and early history

How old is the earth How old is our earth Aristotle thought the Earth had existed eternally Early Romans believed its formation was relatively recent due to no records before the Trojan War 1640 Ussher calculated Earth was created in . Prof . Mark Knights. Early Modernity – what does it mean and is it useful?. c.1500-c.1720 – for now. Jack . A. . Goldstone calls it ‘a wholly meaningless term’ . Randolph . Starn. , ‘the early modern muddle. Galaxies. T.Naab. , P. Johansson, R. . Cen. , K. . Nagamine. , R. . Joung. . and J.P.O.. PPPL:, 19 Dec . 2012. ApJ.L.,. 658,710 . (2007) ApJ.,697, . 38 . (2009). ApJ.L.,699,L178 (. 2009. ). ApJ.,725,2312 . Smolcic. . ea. ). Compilation based on different star formation estimators (UV, IR, radio, Hα..). Large scatter: Dust obscuration is major problem. Hopkins & . Beacom. (2006) compilation. redshift. Vincent . Geers. Institute for Astronomy, ETH Zurich. Star & Planet Formation group. A. . Banzatti. , S. . Bruderer. , F. . Lahuis. , I. . Pascucci. , Th. Henning, . P. . Ábrahám. , A. . Juhász. Chemical conditions of the early Earth. . A model for the first cells. First life. Life changes the planet: oxygenating Earth’s oceans and atmosphere. Eukaryotic cells descended from prokaryotic cells. Authors: S. Sun, M. Brandt, M.S. Dargusch. October 5, 2010. Presented by: Chris Vidmar. Introduction. Titanium alloys are seeing increasing demands due to superior properties such as. Excellent strength-to-weight ratio. …earliest phase of . Earth heating…. …first seas…. …thin atmosphere of . H, CO. 2. , H. 2. O, N. 2. , CO, NH. 3. , CH. 4. . …early bombardment…. Early Bombardment. 2 phases?. Relative dating. Geochronometry (methods). Nuclear synthesis. Meteorites. Age of the Earth accretion. Pb . Formation of the core . Formation of the core (energy considerations). Formation of crust. Plate tectonics starts. . kings ruled Rome from 600 B.C. to 509 BC . Roman aristocrats overthrew the last Etruscan king in 509 BC. Establish a republic. Regal- 753-509 B.C.E. . Rome is ruled by kings. Republic- 510-27 B.C.E. Certificate in Pastoral Ministry Course: Adult Faith Formation. 1. Prayer . We are Disciples. Who is it that discipled you into faith? This person is/these persons are at the heart of why you are faith-filled today.. | . 2000 – 2003. Décrivez. les . spécialités. de . cette. formation : . vos. . diplômes. , les options de la formation, . etc. …. FORMATION. | . 2000 – 2003. Décrivez. les . spécialités. RF is formed of large number of neurons . present through the entire brainstem, it . extends upward to the level of the thalamus . and downward to be continuous with the . interneurons. of the spinal cord.. Periods 2. BG TRACK SHOWING NOMENCLATURE OF DIFFERENT ITEMS. GE . G1 AND IRPWM. Formation profile. BLANKET. SUB - GRADE. TRACK-FOUNDATION. TRACK . STRUCTURE. FORMATION. B A L . L. A S T. Richard Carlson. CIDER, July 2012. Molecular Cloud, M16. NASA/ESA. Protoplanetary Disk,. Hubble Telescope. When did planetary chemical differentiation begin?. Before there were planets!. Not Everything was Volatilized!.