Audit of SETI Institute (IG-19-011)
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Michael Garcia Hubble Space Telescope Users Committee (STUC)
Hubble Space Telescope Users Committee (STUC) April 16, 2015 Michael Garcia HST Program Scientist [email protected] 1 Hubble Sees Supernova Split into Four Images by Cosmic Lens 2 NASA’s Hubble Observations suggest Underground Ocean on Jupiter’s Largest Moon Ganymede file:///Users/ file:///Users/ mrgarci2/Desktop/mrgarci2/Desktop/ hs-2015-09-a-hs-2015-09-a- web.jpg web.jpg 3 NASA’s Hubble detects Distortion of Circumstellar Disk by a Planet 4 The Exoplanet Travel Bureau 5 TESS Transiting Exoplanet Survey Satellite CURRENT STATUS: • Downselected April 2013. • Major partners: - PI and science lead: MIT - Project management: NASA GSFC - Instrument: Lincoln Laboratory - Spacecraft: Orbital Science Corp • Agency launch readiness date NLT June 2018 (working launch date August 2017). • High-Earth elliptical orbit (17 x 58.7 Earth radii). Standard Explorer (EX) Mission PI: G. Ricker (MIT) • Development progressing on plan. Mission: All-Sky photometric exoplanet - Systems Requirement Review (SRR) mapping mission. successfully completed on February Science goal: Search for transiting 12-13, 2014. exoplanets around the nearby, bright stars. Instruments: Four wide field of view (24x24 - Preliminary Design Review (PDR) degrees) CCD cameras with overlapping successfully completed Sept 9-12, 2014. field of view operating in the Visible-IR - Confirmation Review, for approval to enter spectrum (0.6-1 micron). implementation phase, successfully Operations: 3-year science mission after completed October 31, 2014. launch. - Mission CDR on track for August 2015 6 JWST Hardware Progress JWST remains on track for an October 2018 launch within its replan budget guidelines 7 WFIRST / AFTA Widefield Infrared Survey Telescope with Astrophysics Focused Telescope Assets Coronagraph Technology Milestones Widefield Detector Technology Milestones 1 Shaped Pupil mask fabricated with reflectivity of 7/21/14 1 Produce, test, and analyze 2 candidate 7/31/14 -4 10 and 20 µm pixel size. -
SETI Is Part of Astrobiology
SETI is Part of Astrobiology Jason T. Wright Department of Astronomy & Physics Center for Exoplanets and Habitable Worlds Penn State University Phone: (814) 863-8470 [email protected] I. SETI is Part of Astrobiology “Traditional SETI is not part of astrobiology” declares the NASA Astrobiology Strategy 2015 document (p. 150). This is incorrect.1 Astrobiology is the study of life in the universe, in particular its “origin, evolution, distribution, and future in the universe.” [emphasis mine] Searches for biosignatures are searches for the results of interactions between life and its environment, and could be sensitive to even primitive life on other worlds. As such, these searches focus on the origin and evolution of life, using past life on Earth as a guide. But some of the most obvious ways in which Earth is inhabited today are its technosignatures such as radio transmissions, alterations of its atmosphere by industrial pollutants, and probes throughout the Solar System. It seems clear that the future of life on Earth includes the development of ever more obvious technosignatures. Indeed, the NASA Astrobiology Strategy 2015 document acknowledges “the possibility” that such technosignatures exist, but erroneously declares them to be “not part of contemporary SETI,” and mentions them only to declare that we should “be aware of the possibility” and to “be sure to include [technosignatures] as a possible kind of interpretation we should consider as we begin to get data on the exoplanets.” In other words, while speculation on the nature of biosignatures and the design of multi-billion dollar missions to find those signatures is consistent with NASA’s vision for astrobiology, speculation on the nature of technosignatures and the design of observations to find them is not. -
ASU Colloquium
New Frontiers in Artifact SETI: Waste Heat, Alien Megastructures, and "Tabby's Star" Jason T Wright Penn State University SESE Colloquium Arizona State University October 4, 2017 Contact (Warner Bros.) What is SETI? • “The Search for Extraterrestrial Intelligence” • A field of study, like cosmology or planetary science • SETI Institute: • Research center in Mountain View, California • Astrobiology, astronomy, planetary science, radio SETI • Runs the Allen Telescope Array • Berkeley SETI Research Center: • Hosted by the UC Berkeley Astronomy Department • Mostly radio astronomy and exoplanet detection • Runs SETI@Home • Runs the $90M Breakthrough Listen Project Communication SETI The birth of Radio SETI 1960 — Cocconi & Morrison suggest interstellar communication via radio waves Allen Telescope Array Operated by the SETI Institute Green Bank Telescope Operated by the National Radio Astronomy Observatory Artifact SETI Dyson (1960) Energy-hungry civilizations might use a significant fraction of available starlight to power themselves Energy is never “used up”, it is just converted to a lower temperature If a civilization collects or generates energy, that energy must emerge at higher entropy (e.g. mid-infrared radiation) This approach is general: practically any energy use by a civilization should give a star (or galaxy) a MIR excess IRAS All-Sky map (1983) The discovery of infrared cirrus complicated Dyson sphere searches. Credit: NASA GSFC, LAMBDA Carrigan reported on the Fermilab Dyson Sphere search with IRAS: Lots of interesting red sources: -
New Voyage to Rendezvous with a Small Asteroid Rotating with a Short Period
Hayabusa2 Extended Mission: New Voyage to Rendezvous with a Small Asteroid Rotating with a Short Period M. Hirabayashi1, Y. Mimasu2, N. Sakatani3, S. Watanabe4, Y. Tsuda2, T. Saiki2, S. Kikuchi2, T. Kouyama5, M. Yoshikawa2, S. Tanaka2, S. Nakazawa2, Y. Takei2, F. Terui2, H. Takeuchi2, A. Fujii2, T. Iwata2, K. Tsumura6, S. Matsuura7, Y. Shimaki2, S. Urakawa8, Y. Ishibashi9, S. Hasegawa2, M. Ishiguro10, D. Kuroda11, S. Okumura8, S. Sugita12, T. Okada2, S. Kameda3, S. Kamata13, A. Higuchi14, H. Senshu15, H. Noda16, K. Matsumoto16, R. Suetsugu17, T. Hirai15, K. Kitazato18, D. Farnocchia19, S.P. Naidu19, D.J. Tholen20, C.W. Hergenrother21, R.J. Whiteley22, N. A. Moskovitz23, P.A. Abell24, and the Hayabusa2 extended mission study group. 1Auburn University, Auburn, AL, USA ([email protected]) 2Japan Aerospace Exploration Agency, Kanagawa, Japan 3Rikkyo University, Tokyo, Japan 4Nagoya University, Aichi, Japan 5National Institute of Advanced Industrial Science and Technology, Tokyo, Japan 6Tokyo City University, Tokyo, Japan 7Kwansei Gakuin University, Hyogo, Japan 8Japan Spaceguard Association, Okayama, Japan 9Hosei University, Tokyo, Japan 10Seoul National University, Seoul, South Korea 11Kyoto University, Kyoto, Japan 12University of Tokyo, Tokyo, Japan 13Hokkaido University, Hokkaido, Japan 14University of Occupational and Environmental Health, Fukuoka, Japan 15Chiba Institute of Technology, Chiba, Japan 16National Astronomical Observatory of Japan, Iwate, Japan 17National Institute of Technology, Oshima College, Yamaguchi, Japan 18University of Aizu, Fukushima, Japan 19Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA 20University of Hawai’i, Manoa, HI, USA 21University of Arizona, Tucson, AZ, USA 22Asgard Research, Denver, CO, USA 23Lowell Observatory, Flagstaff, AZ, USA 24NASA Johnson Space Center, Houston, TX, USA 1 Highlights 1. -
Shock Connectivity and the Late Cycle 24 Solar Energetic Particle Events in July and September 2017
Shock Connectivity and the Late Cycle 24 Solar Energetic Particle Events in July and September 2017 J.G. Luhmann1, M.L. Mays2, Yan Li1, C.O. Lee1, H. Bain3, D. Odstrcil4, R.A. Mewaldt5, C.M.S. Cohen5, D. Larson1, Gordon Petrie6 1Space Sciences Laboratory, University of California, Berkeley. 2CCMC, NASA Goddard Space Flight Center. 3NOAA Space Weather Prediction Center. 4George Mason University. 5California Institute of Technology. 6NSO. Corresponding author: Janet Luhmann ([email protected]) Key Points: Observer shock connectivity explains the SEP observations during the July and September 2017 events. The July and September 2017 solar and SEP events had similar characteristics due to similar source region and eruptions. The July and September 2017 events seemed to arise in conjunction with the appearance of a pseudostreamer, a possible alternate ICME source. This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1029/2018SW001860 © 2018 American Geophysical Union. All rights reserved. Abstract As solar activity steadily declined toward the cycle 24 minimum in the early months of 2017, the expectation for major Solar Energetic Particle (SEP) events diminished with the sunspot number. It was thus surprising (though not unprecedented) when a new, potentially significant active region rotated around the East limb in early July that by mid-month was producing a series of coronal eruptions, reaching a crescendo around July 23. This series, apparently associated with the birth of a growing pseudostreamer, produced the largest SEP event(s) seen since the solar maximum years. -
View Conducted by Its Standing Review Board (SRB)
Science Committee Report Dr. Wes Huntress, Chair 1 Science Committee Members Wes Huntress, Chair Byron Tapley, (Vice Chair) University of Texas-Austin, Chair of Earth Science Alan Boss, Carnegie Institution, Chair of Astrophysics Ron Greeley, Arizona State University, Chair of Planetary Science Gene Levy, Rice University , Chair of Planetary Protection Roy Torbert, University of New Hampshire, Chair of Heliophysics Jack Burns, University of Colorado Noel Hinners, Independent Consultant *Judith Lean, Naval Research Laboratory Michael Turner, University of Chicago Charlie Kennel, Chair of Space Studies Board (ex officio member) * = resigned July 16, 2010 2 Agenda • Science Results • Programmatic Status • Findings & Recommendations 3 Unusual Thermosphere Collapse • Deep drop in Thermospheric (50 – 400 km) density • Deeper than expected from solar cycle & CO2 4 Aeronomy of Ice in the Mesosphere (AIM) unlocking the secrets of Noctilucent Clouds (NLCs) Form 50 miles above surface in polar summer vs ~ 6 miles for “norm79al” clouds. NLCs getting brighter; occurring more often. Why? Linked to global change? AIM NLC Image June 27, 2009 - AIM measured the relationship between cloud properties and temperature - Quantified for the first time, the dramatic response to small changes, 10 deg C, in temperature - T sensitivity critical for study of global change effects on mesosphere Response to Gulf Oil Spill UAVSAR 23 June 2010 MODIS 31 May 2010 ASTER 24 May 2010 Visible Visible/IR false color Satellite instruments: continually monitoring the extent of -
The Copernican Principle Rules out BLC1 As a Technological Radio Signal from the Alpha Centauri System
Draft version January 13, 2021 Typeset using LATEX twocolumn style in AASTeX62 The Copernican Principle Rules Out BLC1 as a Technological Radio Signal from the Alpha Centauri System Amir Siraj1 and Abraham Loeb1 1Department of Astronomy, Harvard University, 60 Garden Street, Cambridge, MA 02138, USA ABSTRACT Without evidence for occupying a special time or location, we should not assume that we inhabit privileged circumstances in the Universe. As a result, within the context of all Earth-like planets orbiting Sun-like stars, the origin of a technological civilization on Earth should be considered a single outcome of a random process. We show that in such a Copernican framework, which is inherently optimistic about the prevalence of life in the Universe, the likelihood of the nearest star system, Alpha Centauri, hosting a radio-transmitting civilization is ∼ 10−8. This rules out, a priori, Breakthrough Listen Candidate 1 (BLC1) as a technological radio signal from the Alpha Centauri system, as such a scenario would violate the Copernican principle by about eight orders of magnitude. We also show that the Copernican principle is consistent with the vast majority of Fast Radio Bursts being natural in origin. Keywords: technosignatures; astrobiology; search for extraterrestrial intelligence; biosignatures 1. INTRODUCTION lihood of searches for primitive and intelligent life, us- The Copernican principle asserts that we are not priv- ing a Drake-type approach. Westby & Conselice(2020) ileged observers of the Universe. Successes of its appli- applied the Copernican principle to the search for intel- cation include the rejection of Ptolemaic geocentrism ligent life, but in forms that featured strict boundaries and the adoption of the modern cosmological princi- in time, thereby not reflecting a truly random process. -
Probes to the Inferior Planets – a New Dawn for Neo and Ieo Detection Technology Demonstration from Heliocentric Orbits Interior to the Earth’S?
PROBES TO THE INFERIOR PLANETS – A NEW DAWN FOR NEO AND IEO DETECTION TECHNOLOGY DEMONSTRATION FROM HELIOCENTRIC ORBITS INTERIOR TO THE EARTH’S? 2011 IAA Planetary Defense Conference 09-12 May 2011 Bucharest, Romania Jan Thimo Grundmann(1), Stefano Mottola(2), Maximilian Drentschew(6), Martin Drobczyk(1), Ralph Kahle(3), Volker Maiwald(4), Dominik Quantius(4), Paul Zabel(4), Tim van Zoest(5) (1)DLR German Aerospace Center - Institute of Space Systems - Department of Satellite Systems Robert-Hooke-Straße 7, 28359 Bremen, Germany Email: [email protected], [email protected] (2)DLR German Aerospace Center - Institute of Planetary Research - Department Asteroids and Comets Rutherfordstraße 2, 12489 Berlin, Germany Email: [email protected] (3)DLR German Aerospace Center - Space Operations and Astronaut Training - Space Flight Technology Dept. 82234 Oberpfaffenhofen-Wesseling, Germany Email: [email protected] (4)DLR German Aerospace Center - Institute of Space Systems - Dept. System Analysis Space Segments (SARA) Robert-Hooke-Straße 7, 28359 Bremen, Germany Email: [email protected], [email protected], [email protected] (5)DLR German Aerospace Center - Institute of Space Systems - Department of Exploration Systems Robert-Hooke-Straße 7, 28359 Bremen, Germany Email: [email protected] (6)ZFT Zentrum für Telematik Allesgrundweg 12, 97218 Gerbrunn, Germany Email: [email protected] ABSTRACT With the launch of MESSENGER and VENUS EXPRESS, a new wave of exploration of the inner solar system has begun. Noting the growing number of probes to the inner solar system, it is proposed to connect the expertise of the respective spacecraft teams and the NEO and IEO survey community to best utilize the extended cruise phases and to provide additional data return in support of pure science as well as planetary defence. -
The Van Allen Probes' Contribution to the Space Weather System
L. J. Zanetti et al. The Van Allen Probes’ Contribution to the Space Weather System Lawrence J. Zanetti, Ramona L. Kessel, Barry H. Mauk, Aleksandr Y. Ukhorskiy, Nicola J. Fox, Robin J. Barnes, Michele Weiss, Thomas S. Sotirelis, and NourEddine Raouafi ABSTRACT The Van Allen Probes mission, formerly the Radiation Belt Storm Probes mission, was renamed soon after launch to honor the late James Van Allen, who discovered Earth’s radiation belts at the beginning of the space age. While most of the science data are telemetered to the ground using a store-and-then-dump schedule, some of the space weather data are broadcast continu- ously when the Probes are not sending down the science data (approximately 90% of the time). This space weather data set is captured by contributed ground stations around the world (pres- ently Korea Astronomy and Space Science Institute and the Institute of Atmospheric Physics, Czech Republic), automatically sent to the ground facility at the Johns Hopkins University Applied Phys- ics Laboratory, converted to scientific units, and published online in the form of digital data and plots—all within less than 15 minutes from the time that the data are accumulated onboard the Probes. The real-time Van Allen Probes space weather information is publicly accessible via the Van Allen Probes Gateway web interface. INTRODUCTION The overarching goal of the study of space weather ing radiation, were the impetus for implementing a space is to understand and address the issues caused by solar weather broadcast capability on NASA’s Van Allen disturbances and the effects of those issues on humans Probes’ twin pair of satellites, which were launched in and technological systems. -
SETI SETI Stands for Search for Extraterrestrial Intelligence, and Usually Is Meant As an Acronym for Searches for Radio Commu
SETI SETI stands for Search for Extraterrestrial Intelligence, and usually is meant as an acronym for searches for radio commu- nications from extraterrestrials which has been its backbone. It began with a seminal paper in 1959 by Giuseppe Cocconi and Philip Morrison in Nature suggesting that the best way to find extraterrestrial civilizations was to search in the radio near 1420 MHz (H spin-flip). The first SETI, project Ozma (1960, Frank Drake, originator of the Drake equation) used the 85- foot Green Bank, WV telescope; today SETI@home uses the 1000-foot Arecibo radio telescope in Puerto Rico. The Plane- tary Society has played an important role in supporting SETI, ever since the ban on Federal funding for it in 1982-83 and from 1992 to the present. Other projects have included Suit- case SETI, META, BETA, SERENDIP and META II. Thinking about SETI took a new turn in 1967 when Joce- lyn Bell and her advisor, Anthony Hewish, discovered pulsars, which they initially referred to, jokingly, as LGM (little green men). Another pioneer of SETI was Bernard Oliver, Vice Pres- ident of Hewlett Packard, who suggested in 1971 the cosmic waterhole hypothesis and emphasized the relative \quietness" of the radio spectrum between 1 and 1000 GHz. Project Ozma operated for about 3 months, devoting about 200 hours of observation to its two targets Tau Ceti and Epsilon Eridani. It scanned 7200 channels each with a bandwidth of 100 Hz, centered on 1420 MHz. By looking at adjacent frequencies, Doppler shifts caused by relative motions of our planets and Suns would be incorporated. -
Project Cyclops : a Design Study of a System for Detecting
^^^^m•i.j . --f'v.i^ "^y^-!^ A Design Study of a System for Detecting Extraterrestrial Intelligent Life '• >..-, i,C%' PREPARED UNDER STANFORD /NASA /AMES RESEARCH CENTER >J^1t> 1971 SUMMER FACULTY FELLOWSHIP PROGRAM IN ENGINEERING SYSTEMS DESIGr CR 114445 (Revised Edition 7/73) Available to the public rB' ^ A Design Study of a System for Detecting Extraterrestrial Intelligent Life PREPARED UNDER STANFORD/ NASA/AMES RESEARCH CENTER 1971 SUMMER FACULTY FELLOWSHIP PROGRAM IN ENGINEERING SYSTEMS DESIGN Further copies of this report may be obtained by writing to Dr. John Billingham NASA/ Ames Research Center, Code LT Moffett Field, California 94035 weixesunr colligc LWRART CYCLOPS PEOPLE Co-Directors: Bernard M. Oliver Stanford University (Summer appointment) John Billingham Ames Research Center, NASA System Design and Advisory Group: James Adams Stanford University Edwin L. Duckworth San Francisco City College Charles L. Seeger New Mexico State University George Swenson University of Illinois Antenna Structures Group: Lawrence S. Hill California State College L.A. John Minor New Mexico State University Ronald L. Sack University of Idaho Harvey B. Sharfstein San Jose State College Pennsylvania Alan 1. Soler University of Receiver Group: Washington Ward J. Helms University of William Hord Southern Illinois University Pierce Johnson University of Missouri C. ReedPredmore Rice University Transmission and Control Group: Marvin Siegel Michigan State University Jon A. Soper Michigan Technological University Henry J. Stalzer, Jr. Cooper Union Signal Processing Group: Jonnie B. Bednar University of Tulsa Douglas B. Brumm Michigan Technological University James H. Cook Cleveland State University Robert S. Dixon Ohio State University Johnson Luh Purdue University Francis Yu Wayne State University /./ la J C, /o ) •»• < . -
Astrobiology and the Search for Life Beyond Earth in the Next Decade
Astrobiology and the Search for Life Beyond Earth in the Next Decade Statement of Dr. Andrew Siemion Berkeley SETI Research Center, University of California, Berkeley ASTRON − Netherlands Institute for Radio Astronomy, Dwingeloo, Netherlands Radboud University, Nijmegen, Netherlands to the Committee on Science, Space and Technology United States House of Representatives 114th United States Congress September 29, 2015 Chairman Smith, Ranking Member Johnson and Members of the Committee, thank you for the opportunity to testify today. Overview Nearly 14 billion years ago, our universe was born from a swirling quantum soup, in a spectacular and dynamic event known as the \big bang." After several hundred million years, the first stars lit up the cosmos, and many hundreds of millions of years later, the remnants of countless stellar explosions coalesced into the first planetary systems. Somehow, through a process still not understood, the laws of physics guiding the unfolding of our universe gave rise to self-replicating organisms − life. Yet more perplexing, this life eventually evolved a capacity to know its universe, to study it, and to question its own existence. Did this happen many times? If it did, how? If it didn't, why? SETI (Search for ExtraTerrestrial Intelligence) experiments seek to determine the dis- tribution of advanced life in the universe through detecting the presence of technology, usually by searching for electromagnetic emission from communication technology, but also by searching for evidence of large scale energy usage or interstellar propulsion. Technology is thus used as a proxy for intelligence − if an advanced technology exists, so to does the ad- vanced life that created it.