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Lecture-29 (PDF)
Life in the Universe Orin Harris and Greg Anderson Department of Physics & Astronomy Northeastern Illinois University Spring 2021 c 2012-2021 G. Anderson., O. Harris Universe: Past, Present & Future – slide 1 / 95 Overview Dating Rocks Life on Earth How Did Life Arise? Life in the Solar System Life Around Other Stars Interstellar Travel SETI Review c 2012-2021 G. Anderson., O. Harris Universe: Past, Present & Future – slide 2 / 95 Dating Rocks Zircon Dating Sedimentary Grand Canyon Life on Earth How Did Life Arise? Life in the Solar System Life Around Dating Rocks Other Stars Interstellar Travel SETI Review c 2012-2021 G. Anderson., O. Harris Universe: Past, Present & Future – slide 3 / 95 Zircon Dating Zircon, (ZrSiO4), minerals incorporate trace amounts of uranium but reject lead. Naturally occuring uranium: • U-238: 99.27% • U-235: 0.72% Decay chains: • 238U −→ 206Pb, τ =4.47 Gyrs. • 235U −→ 207Pb, τ = 704 Myrs. 1956, Clair Camron Patterson dated the Canyon Diablo meteorite: τ =4.55 Gyrs. c 2012-2021 G. Anderson., O. Harris Universe: Past, Present & Future – slide 4 / 95 Dating Sedimentary Rocks • Relative ages: Deeper layers were deposited earlier • Absolute ages: Decay of radioactive isotopes old (deposited last) oldest (depositedolder first) c 2012-2021 G. Anderson., O. Harris Universe: Past, Present & Future – slide 5 / 95 Grand Canyon: Earth History from 200 million - 2 billion yrs ago. Dating Rocks Life on Earth Earth History Timeline Late Heavy Bombardment Hadean Shark Bay Stromatolites Cyanobacteria Q: Earliest Fossils? Life on Earth O2 History Q: Life on Earth How Did Life Arise? Life in the Solar System Life Around Other Stars Interstellar Travel SETI Review c 2012-2021 G. -
Qisar-Alexander-Ollongren-Astrolinguistics.Pdf
Astrolinguistics Alexander Ollongren Astrolinguistics Design of a Linguistic System for Interstellar Communication Based on Logic Alexander Ollongren Advanced Computer Science Leiden University Leiden The Netherlands ISBN 978-1-4614-5467-0 ISBN 978-1-4614-5468-7 (eBook) DOI 10.1007/978-1-4614-5468-7 Springer New York Heidelberg Dordrecht London Library of Congress Control Number: 2012945935 © Springer Science+Business Media New York 2013 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, speci fi cally the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on micro fi lms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied speci fi cally for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a speci fi c statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. -
Enabling Sustainable Exploration Through the Commercial Development of Space
54th International Astronautical Congress 2003 (IAC 2003) Bremen, Germany 29 September - 3 October 2003 Volume 1 of 8 ISBN: 978-1-61839-418-7 Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 Some format issues inherent in the e-media version may also appear in this print version. Copyright© (2003) by the International Astronautical Federation All rights reserved. Printed by Curran Associates, Inc. (2012) For permission requests, please contact the International Astronautical Federation at the address below. International Astronautical Federation 94 bis, Avenue de Suffren 75015 PARIS - France Phone: +33 1 45 67 42 60 Fax: +33 1 42 73 21 20 [email protected] Additional copies of this publication are available from: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2634 Email: [email protected] Web: www.proceedings.com TABLE OF CONTENTS VOLUME 1 Enabling Sustainable Exploration through the Commercial Development of Space .................................................................................1 Mark Nall, Joseph Casas Space Telescope Mission Design For L2 Point Stationing .............................................................................................................................6 Jill M. Cattrysse Interplanetary Missions Utilising Capture and Escape Through Lagrange Points..................................................................................14 Stephen Kemble A Numerical Study of the Gravitational -
A Direct Communication Proposal to Test the Zoo Hypothesis
Space Policy 38 (2016) 22e26 Contents lists available at ScienceDirect Space Policy journal homepage: www.elsevier.com/locate/spacepol Viewpoint A direct communication proposal to test the Zoo Hypothesis Joao~ Pedro de Magalhaes~ Institute of Integrative Biology, University of Liverpool, Biosciences Building, Room 245, Crown Street, Liverpool, L69 7ZB, UK article info abstract Article history: Whether we are alone in the universe is one of the greatest mysteries facing humankind. Given the >100 Received 3 March 2016 billion stars in our galaxy, many have argued that it is statistically unlikely that life, including intelligent Accepted 16 June 2016 life, has not emerged anywhere else. The lack of any sign of extraterrestrial intelligence, even though on a Available online 26 July 2016 cosmic timescale extraterrestrial civilizations would have enough time to cross the galaxy, is known as Fermi's Paradox. One possible explanation for Fermi's Paradox is the Zoo Hypothesis which states that Keywords: one or more extraterrestrial civilizations know of our existence and can reach us, but have chosen not to Active SETI disturb us or even make their existence known to us. I propose here a proactive test of the Zoo Hy- Astrobiology fi Fermi's Paradox pothesis. Speci cally, I propose to send a message using television and radio channels to any extrater- Messaging to extraterrestrial intelligence restrial civilization(s) that might be listening and inviting them to respond. Even though I accept this is METI unlikely to be successful in the sense of resulting in a response from extraterrestrial intelligences, the possibility that extraterrestrial civilizations are monitoring us cannot be dismissed and my proposal is consistent with current scientific knowledge. -
The International Astronautical Federation (IAF)
www.iac2008.co.uk Call for papers & registration of Interest Contents Welcome by the President of the British Interplanetary Society .......................................... 02 Message from the President of the IAF .................................................................................. 03 Message from the Chairman of the Local Organising Committee ........................................ 03 Message from the IPC Co-Chairs ............................................................................................ 04 The International Astronautical Federation (IAF).................................................................... 05 IAF Member Organisations ...................................................................................................... 06 The International Academy of Astronautics (IAA).................................................................... 09 The International Institute of Space Law (IISL) ...................................................................... 09 The Technical Programme - Summary of IAC sessions ........................................................ 10 The Technical Programme - by Category................................................................................ 14 Instructions for submitting an abstract .................................................................................. 34 How to submit an abstract ...................................................................................................... 35 Welcome to the IAF web site user restricted area................................................................. -
94 (June 30, 2016)
ArAS News N E W S L E T T E R ARMENIAN ASTRONOMICAL SOCIETY (A r A S) No. 94 (June 30, 2016) ___________________________________________________________________ Editor: Sona FARMANYAN ArAS Newsletter online at: http://www.aras.am/ArasNews/arasnews.html ___________________________________________________________________ 1 CONTENTS 1 BAO Observational Possibilities 3-10 v Kazakhstan and Tajikistan 2 Joined IAU South West Asian 10-11 ROAD Astrobiology Matters in 3 Armenia 12-13 "Cultural Astronomy in 4 Armenian Highland" Young 14 Scientists Conference 5 ANSEF 2017 call 15-16 6 ArAS Prize 2016 Call 17-18 Release of Astrophysics Volume 7 19 59, Issue 2, June 2016 8 Release of EAAS Astrocourier 20 June Issue Release of IAU Astronomy 9 Outreach Newsletter 2016 #12 21 June #3 10 Lunar Phases of July 22 July Calendar of Astronomical 11 23 Events 2 BAO NEWS BAO OBSERVATIONAL POSSIBILITIES Currently the main instruments of Byurakan Astrophysical Observatory (BAO) are 2.6m reflector and 1m Schmidt telescope, which after recent modernization are operated again. Below the main observing possibilities and available instrumentation for these two instruments will be described. 2.6m telescope This telescope was designed and constructed in LOMO (Sankt-Petersburg, Russia) and is in operation since 1976. During the economic crisis in Armenia it was stopped for five years (1991- 1996). In 1996, new light receiving equipment has been installed with the help of French colleagues from Marseilles Observatory. This equipment included auto-guiding system, focal reducer and 1k×1k front-illuminated CCD detector. The development of the light-receiving equipment at 2.6m telescope was continued in subsequent years, and presently we have two main instruments and the new CCD detector in operation. -
Communication with Extraterrestrial Intelligence Through Radio Signals and Messages 1A
ISSN : 2230-7109 (Online) | ISSN : 2230-9543 (Print) IJECT VOL . 5, ISSU E SPL - 2, JAN - MAR C H 2014 Communication with Extraterrestrial Intelligence Through Radio Signals and Messages 1A. B. Bhattacharya, 2A. Sarkar 1,2Dept. of Physics, University of Kalyani, Kalyani, WB, India Abstract hundred yards wide could delineate twenty-mile wide shapes and The paper summarizes the present day research knowledge based then the trenches would be filled with water after which enough on communication with extraterrestrial intelligence through four kerosene could be poured on top of the water to burn for six hours. distinct means covering mathematical languages, pictorial systems Using this technique, a different signal could be sent every night. like the Arecibo message, algorithmic communication systems and In the mean time other astronomers were looking for signs of life computational approaches for detecting and deciphering ‘natural’ on other planets. In 1822, Franz von Gruithuisen [Cattermole and language communication. Moore, 1997] imagined a giant city and evidence of agriculture on the moon and believed evidence of life on Venus but astronomers Keywords using more sophisticated instruments refuted his claims. By the Arecibo Message, Communication, Extraterrestrial Intelligence, late 1800s, Astronomers believed the Kant-Laplace hypothesis, Resonant Receiver which stated that the farthest planets from the sun are the oldest and so Mars was more likely to have advanced civilizations than I. Introduction Venus. Subsequent investigations focused on contacting Martians. Communication with Extraterrestrial Intelligence (CETI) is Charles Cros [Ley, 1958] was convinced that pinpoints of light a subject matter under the SETI (Search for Extraterrestrial observed on Mars and Venus were the lights of large cities and Intelligence) research which focuses on composing and was attempted to get funding for a giant mirror with which to deciphering messages that could be understood theoretically signal the Martians. -
The Initiative and Institute for Interstellar Studies Issue 29 | May 2020
PRINCIPIUM The Initiative and Institute for Interstellar Studies Issue 29 | May 2020 ISSN 2397-9127 www.i4is.org ■ Cassidy Cobbs - Bioscientist ■ Interstellar News ■ The Interstellar Ram Jet at 60 ■ IAC2019 the Interstellar Papers #3 ■ FAST radio telescope & Breakthrough Listen ■ Rings round exoplanets - possible megastructures R O ■ Mariner model part 2: The initial construction phase F E V ■ i4is Members Page I T A I ■ Freeman Dyson (1923-2020) T I N I ■ Feasibility of self-replicating probes for interstellar exploration ■ Book Review: Religions and Extraterrestrial Life S T U D I E S Scientia ad sidera Principium | Issue 29 | May 2020 1 Knowledge to the stars our own planet, see the review of Seveneves by Neil Stephenson in P20. Editorial Andreas Hein celebrates the life of Freeman Dyson Welcome to issue 29 of Principium, the quarterly (1923-2020), deviser of both profound mathematics about all things interstellar from i4is, the Initiative and mind boggling structures - and a founder and Institute for Interstellar Studies. member of our Advisory Council. The front cover image is a new visualisation of The book Religions and Extraterrestrial Life by a Bussard ramjet by an old friend and colleague, David Weintraub looks at the reaction we might Alex Storer (thelightdream.net). This year we mark expect to a successful SETI. John Davies reviews it the 60th anniversary of the publication of the paper and recommends it with a few reservations. Galactic Matter and Interstellar Flight by Robert China has built the gigantic FAST radio telescope. W Bussard (Acta Astronautica, VI, pp 179-195, We examine how this will work with the 1960), The distinguished spacecraft engineer and Breakthrough Listen SETI initiative. -
CURRICULUM VITAE DOUGLAS A. VAKOCH Center for SETI Research
CURRICULUM VITAE DOUGLAS A. VAKOCH Center for SETI Research Department of Clinical Psychology SETI Institute California Institute of Integral Studies 189 N. Bernardo Ave., Suite 100 1453 Mission Street Mountain View, CA 94043, USA San Francisco, CA 94103, USA Office Phone: +1-650-960-4514 Office Phone: +1-415-575-6244 Office Fax: +1-650-968-5830 Office Fax: +1-415-575-1266 Email: [email protected] Email: [email protected] Residence 943 Cherry Way Hayward, CA 94541 Home Phone: 510-481-5719 PROFESSIONAL APPOINTMENTS Professor, Department of Clinical Psychology, California Institute of Integral Studies, 2011-present Associate Professor, Department of Clinical Psychology, California Institute of Integral Studies, 2008-2011 Assistant Professor, Department of Clinical Psychology, California Institute of Integral Studies, 2005-2008 Director of Interstellar Message Composition, SETI Institute, 2001-present Social Scientist, SETI Institute, 1999-present Research Associate, Department of Psychology, University of California, Davis, 1999- 2001, 2005-2007 National Research Service Award Postdoctoral Fellow, Department of Psychology, Vanderbilt University, 1996-1998 Predoctoral Clinical Intern, Departments of Rehabilitation Medicine and Psychiatry, University of Wisconsin-Madison Hospital and Clinics, 1995-1996 EDUCATION Ph.D., Clinical Psychology with Quantitative Minor, State University of New York at Stony Brook, 1996. Dissertation: Predictors of prognosis for patients with interpersonal problems: The role of therapists’ epistemology, experience, optimism, and theoretical orientation. M.A., Psychology, State University of New York at Stony Brook, 1994. M.A., History and Philosophy of Science, University of Notre Dame, 1991. B.A., Religion, Carleton College, 1983. Senior Thesis: Psychological analyses of the mystic path in Christianity and Buddhism. -
Review of World Planning Practice Volume 16: Post-Oil Urbanism
REVIEW OF WORLD PLANNING PRACTICE VOLUME 16: POST-OIL URBANISM REVIEW OF WORLD PLANNING PRACTICE, VOLUME 16: POST-OIL URBANISM 1 Review of World Planning Practice Volume 16: Post-Oil Urbanism Copyright 2020 © International Society of City and Regional Planners All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the Publisher. Authorship Responsibility: the original author is responsible for the content of the manuscript. Editor-in-Chief: Małgorzata Hanzl, Poland Editors: Jim Reilly, United States Mahak Agrawal, India Graphic Designer: Ricardo Moura, Portugal Cover image and colophon images: Qatar Tourism Authority ISBN 978-90-75524-65-9 Order online at: www.isocarp.org REVIEW OF WORLD PLANNING PRACTICE, VOLUME 16: POST-OIL URBANISM 3 TABLE OF CONTENTS 6 ISOCARP President’s Foreword 8 Editors’ Foreword 9 Post COVID19 Urbanism 12 ISOCARP Award for Excellence 2019 16 Gerd Albers Award Book Review by Ana Perić POST-OIL URBANISM 21 Beyond Oil: The Inevitability of Knowledge-Based Urbanism in Middle Eastern and Gulf Cities Ali A. Alraouf 39 Rebuilding Delfzijl: Recovering from Earthquakes Inducted by the Extraction of Natural Gas Martin Dubbeling 55 A Survey of Urban Planning and Architecture in Iran: Post-Oil Urban Planning Suggestions Nasim Iranmanesh 65 Future Cities, Post-Oil Cities: Underground Spaces as Vital Part of the Urban Metabolism Han Admiraal, Antonia Cornaro DEVELOPMENT POLICY, RESEARCH AND THEORY 80 Shaping Livable Places: New Findings on Extreme Heat, Planning Policy, and Real Estate Katharine Burgess, Elizabeth Foster 92 Climate Action Plans: An Essential Planning Tool for Cities Christian Horn 108 Co-Creating Local Energy Transitions Through Smart Cities: Piloting a Prosumer-Oriented Approach Tjark Gall, Giulia Carbonari, Annemie Wyckmans, Dirk Ahlers 124 Sustainable Urban Forms in an Oil-Constrained Future: An Australian City Context Roger J. -
Starry Messages: Searching for Signatures of Interstellar Archaeology
FERMILAB-PUB-09-607-AD Starry Messages: Searching for Signatures of Interstellar Archaeology Richard A. Carrigan, Jr., Fermi National Accelerator Laboratory*, Batavia, IL 60510, USA [email protected] 630-840-8755 Summary Searching for signatures of cosmic-scale archaeological artifacts such as Dyson spheres or Kardashev civilizations is an interesting alternative to conventional SETI. Uncovering such an artifact does not require the intentional transmission of a signal on the part of the original civilization. This type of search is called interstellar archaeology or sometimes cosmic archaeology. The detection of intelligence elsewhere in the Universe with interstellar archaeology or SETI would have broad implications for science. For example, the constraints of the anthropic principle would have to be loosened if a different type of intelligence was discovered elsewhere. A variety of interstellar archaeology signatures are discussed including non-natural planetary atmospheric constituents, stellar doping with isotopes of nuclear wastes, Dyson spheres, as well as signatures of stellar and galactic-scale engineering. The concept of a Fermi bubble due to interstellar migration is introduced in the discussion of galactic signatures. These potential interstellar archaeological signatures are classified using the Kardashev scale. A modified Drake equation is used to evaluate the relative challenges of finding various sources. With few exceptions interstellar archaeological signatures are clouded and beyond current technological capabilities. However SETI for so- called cultural transmissions and planetary atmosphere signatures are within reach. Keywords: Interstellar archaeology, Dyson spheres, Kardashev scale, SETI, Drake equation ACKNOWLEDGEMENT *Operated by the Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy. -
Report 2017 Research, Education and Public Outreach Activity Report 2017 Research, Education and Public Outreach
Activity Report 2017 Research, Education and Public Outreach Activity Report 2017 Research, Education and Public Outreach Nathalie A. Cabrol Director, Carl Sagan Center, Pamela Harman, Acting Director, Center for Education Rebecca McDonald Director, Center for Outreach Bill Diamond President & CEO The SETI Institute: 189 N Bernardo Avenue Suite 200, Mountain View, CA 94043. Phone: (650) 961-6633 Activity Report 2017 Research, Education and Public Outreach TABLE OF CONTENTS Peer-reviewed publications 10 Conferences: Abstracts & Proceedings 18 Technical Reports & Data Releases 29 Outreach, Media Coverage, Web Stories & Interviews 31 Invited Talks (Professional & Public) 39 Highlights, Significant Events & Activities 46 Fieldwork 52 Honors & Awards 54 Missions, Observations & Strategic Planning 56 Acknowledgements 60 The SETI Institute: 189 N Bernardo Avenue Suite 200, Mountain View, CA 94043. Phone: (650) 961-6633 Activity Report 2017 Research, Education and Public Outreach FROM THE SETI INSTITUTE President and CEO Dear friends, The scientists, educators and outreach professionals of the SETI Institute had yet another banner year of productivity in 2017. We are delighted to present our 2nd annual report, cataloging the research and education programs of the Institute, as well as the myriad of mainstream media stories about our people and our work. Among the highlights from this year’s report are 147 peer-reviewed articles in scientific journals, 225 conference proceedings and abstracts, 172 media stories and interviews, and 177 invited talks.