Active SETI, the Glossary

Table of Contents

1. 98 relations: A Brief History of Time, A Simple Response to an Elemental Message, Across the Universe (message), Alexander Zaitsev (astronomer), Altair, American Association for the Advancement of Science, Andrew Siemion, Andromeda (constellation), Aquila (constellation), Arecibo message, Arecibo Observatory, Aries (constellation), BBC News, Berkeley SETI Research Center, Boötes, Cancer (constellation), Canis Major, Cassiopeia (constellation), Cetus, Communication protocol, Communication with extraterrestrial intelligence, Cosmic Call, Cosmopolitanism, Cosmos, Cygnus (constellation), David Brin, David Grinspoon, Delphinus, Douglas Vakoch, Draco (constellation), Extraterrestrial life, Frank Drake, Frequency-shift keying, Gemini (constellation), Gliese 526, Gliese 581, Gliese 581c, Gliese 777, Gliese Catalogue of Nearby Stars, H. Paul Shuch, HD 10307, HD 126053, HD 193664, HD 76151, Henry Draper Catalogue, Hercules (constellation), Hipparcos, Hydra (constellation), International Academy of Astronautics, Iván Almár, ... Expand index (48 more) »

2. Interstellar messages

A Brief History of Time

A Brief History of Time: From the Big Bang to Black Holes is a book on theoretical cosmology by the physicist Stephen Hawking.

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A Simple Response to an Elemental Message

A Simple Response to an Elemental Message (ASREM) was an Interstellar Radio Message (IRM) consisting primarily of 3775 worldwide responses to this initiative's posed question; "How will our present, environmental interactions shape the future?" This transmission also features a smaller 'Honorary Mention' text archive and a series of images of Earth. Active SETI and a Simple Response to an Elemental Message are interstellar messages.

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Across the Universe (message)

Across the Universe is an interstellar radio message (IRM) consisting of the song "Across the Universe" by the Beatles that was transmitted on 4 February 2008, at 00:00 UTC by NASA in the direction of the star Polaris. Active SETI and Across the Universe (message) are interstellar messages, search for extraterrestrial intelligence and technology in society.

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Alexander Zaitsev (astronomer)

Aleksandr Leonidovich Zaitsev (Александр Леонидович Зайцев; 19 May 1945 – 29 November 2021) was a Russian and Soviet radio engineer and astronomer from Fryazino. Active SETI and Alexander Zaitsev (astronomer) are interstellar messages and search for extraterrestrial intelligence.

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Altair

Altair is the brightest star in the constellation of Aquila and the twelfth-brightest star in the night sky.

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American Association for the Advancement of Science

The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated mission of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsibility, and supporting scientific education and science outreach for the betterment of all humanity.

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Andrew Siemion

Andrew Patrick Vincent Siemion is an astrophysicist and director of the Berkeley SETI Research Center.

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Andromeda (constellation)

Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy, and one of the 88 modern constellations.

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Aquila (constellation)

Aquila is a constellation on the celestial equator.

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Arecibo message

The Arecibo message is an interstellar radio message carrying basic information about humanity and Earth that was sent to the globular cluster Messier 13 in 1974. Active SETI and Arecibo message are interstellar messages, search for extraterrestrial intelligence and technology in society.

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Arecibo Observatory

The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is an observatory in Barrio Esperanza, Arecibo, Puerto Rico owned by the US National Science Foundation (NSF). Active SETI and Arecibo Observatory are search for extraterrestrial intelligence.

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Aries (constellation)

Aries is one of the constellations of the zodiac.

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BBC News

BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs in the UK and around the world.

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Berkeley SETI Research Center

The Berkeley SETI Research Center (BSRC) conducts experiments searching for optical and electromagnetic transmissions from intelligent extraterrestrial civilizations. Active SETI and Berkeley SETI Research Center are search for extraterrestrial intelligence.

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Boötes

Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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Cancer (constellation)

Cancer is one of the twelve constellations of the zodiac and is located in the Northern celestial hemisphere.

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Canis Major

Canis Major is a constellation in the southern celestial hemisphere.

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Cassiopeia (constellation)

Cassiopeia is a constellation and asterism in the northern sky named after the vain queen Cassiopeia, mother of Andromeda, in Greek mythology, who boasted about her unrivaled beauty.

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Cetus

Cetus is a constellation, sometimes called 'the whale' in English.

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Communication protocol

A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any variation of a physical quantity.

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The communication with extraterrestrial intelligence (CETI) is a branch of the search for extraterrestrial intelligence (SETI) that focuses on composing and deciphering interstellar messages that theoretically could be understood by another technological civilization. Active SETI and communication with extraterrestrial intelligence are interstellar messages, search for extraterrestrial intelligence and technology in society.

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Cosmic Call

Cosmic Call was the name of two sets of interstellar radio messages that were sent from RT-70 in Yevpatoria, Ukraine in 1999 (Cosmic Call 1) and 2003 (Cosmic Call 2) to various nearby stars. Active SETI and Cosmic Call are interstellar messages, search for extraterrestrial intelligence and technology in society.

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Cosmopolitanism

Cosmopolitanism is the idea that all human beings are members of a single community.

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Cosmos

The cosmos (Kósmos) is an alternative name for the universe or its nature or order.

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Cygnus (constellation)

Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

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David Brin

Glen David Brin (born October 6, 1950) is an American science fiction author.

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David Grinspoon

David H. Grinspoon (born 1959) is an American astrobiologist.

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Delphinus

Delphinus (Pronounced or) is a small constellation in the Northern Celestial Hemisphere, close to the celestial equator.

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Douglas Vakoch

Douglas A. Vakoch (born June 16, 1961) is an American astrobiologist, search for extraterrestrial intelligence (SETI) researcher, psychologist, and president of METI International, a nonprofit research and educational organization devoted to transmitting intentional signals to extraterrestrial civilizations. Active SETI and Douglas Vakoch are interstellar messages and search for extraterrestrial intelligence.

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Draco (constellation)

Draco is a constellation in the far northern sky.

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Extraterrestrial life, alien life, or colloquially simply aliens, is life which does not originate from Earth. Active SETI and Extraterrestrial life are interstellar messages and search for extraterrestrial intelligence.

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Frank Drake

Frank Donald Drake (May 28, 1930 – September 2, 2022) was an American astrophysicist and astrobiologist. Active SETI and Frank Drake are interstellar messages and search for extraterrestrial intelligence.

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Frequency-shift keying

Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is encoded on a carrier signal by periodically shifting the frequency of the carrier between several discrete frequencies.

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Gemini (constellation)

Gemini is one of the constellations of the zodiac and is located in the northern celestial hemisphere.

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Gliese 526

GJ 526 (Lalande 25372, Wolf 498) is a red dwarf star in the northern constellation of Boötes.

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Gliese 581

Gliese 581 is a red dwarf star of spectral type M3V which hosts a planetary system, away from Earth in the Libra constellation.

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Gliese 581c

Gliese 581c (Gl 581c or GJ 581c) is an exoplanet orbiting within the Gliese 581 system.

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Gliese 777

Gliese 777, often abbreviated as Gl 777 or GJ 777, is a binary star approximately 52 light-years away in the constellation of Cygnus.

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Gliese Catalogue of Nearby Stars

The Gliese Catalogue of Nearby Stars (English) is a star catalogue listing stars located within 25 parsecs (82 ly) of the Sun.

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H. Paul Shuch

H. Active SETI and H. Paul Shuch are search for extraterrestrial intelligence.

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HD 10307

HD 10307 (HR 483) is a spectroscopic binary star in the constellation Andromeda.

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HD 126053

HD 126053 is the Henry Draper Catalogue designation for a star in the equatorial constellation of Virgo.

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HD 193664

HD 193664 a star in the northern constellation of Draco.

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HD 76151

HD 76151 is a high proper motion, G-type main sequence star (G3/ 5 V or yellow star) in the constellation of Hydra 56.70 light years from earth.

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Henry Draper Catalogue

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

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Hercules (constellation)

Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles.

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Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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Hydra (constellation)

Hydra is the largest of the 88 modern constellations, measuring 1303 square degrees, and also the longest at over 100 degrees.

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International Academy of Astronautics

The International Academy of Astronautics (IAA) is a Paris-based non-government association for the field of astronautics.

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Iván Almár

Iván Almár (born April 21, 1932 in Budapest) is a Hungarian astronomer.

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Jill Tarter

Jill Cornell Tarter (born January 16, 1944) is an American astronomer best known for her work on the search for extraterrestrial intelligence (SETI). Active SETI and Jill Tarter are search for extraterrestrial intelligence.

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João Pedro de Magalhães

Joao Pedro De Magalhaes is a Portuguese molecular biologist.

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Kappa1 Ceti

Kappa1 Ceti, Latinized from κ1 Ceti, is a variable yellow dwarf star approximately 30 light-years away in the equatorial constellation of Cetus.

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Kardashev scale

The Kardashev scale (Shkalá Kardashova) is a method of measuring a civilization's level of technological advancement based on the amount of energy it is capable of harnessing and using. Active SETI and Kardashev scale are search for extraterrestrial intelligence.

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Libra (constellation)

Libra is a constellation of the zodiac and is located in the Southern celestial hemisphere.

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List of stars in Libra

This is the list of notable stars in the constellation Libra, sorted by decreasing brightness.

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Liu Cixin

Liu Cixin (pronounced; born 23 June 1963) is a Chinese computer engineer and science fiction writer.

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Lone Signal

Lone Signal was a crowdfunded active SETI project designed to send interstellar messages from Earth to a possible extraterrestrial civilization. Active SETI and Lone Signal are interstellar messages and search for extraterrestrial intelligence.

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Luyten's Star

Luyten's Star (GJ 273) is a red dwarf in the constellation Canis Minor located at a distance of from the Sun.

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Mark Buchanan

Mark Buchanan (born October 31, 1961, in Cleveland, Ohio) is an American outreach physicist and author.

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Messier 13

Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great Hercules Cluster), is a globular cluster of several hundred thousand stars in the constellation of Hercules.

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METI International

METI International, known simply as METI, is a non-profit research organization founded in July 2015 by Douglas Vakoch that creates and transmits interstellar messages to attempt to communicate with extraterrestrial civilizations. Active SETI and METI International are search for extraterrestrial intelligence.

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Milky Way

The Milky Way is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.

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Morse Message (1962)

The Morse Message was a series of brief radio messages in Morse code that were transmitted from the Evpatoria Planetary Radar (EPR) complex and directed to the planet Venus in 1962. Active SETI and Morse Message (1962) are interstellar messages.

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National Space Development Agency of Japan

The, or NASDA, was a Japanese national space agency established on October 1, 1969 under the National Space Development Agency Law only for peaceful purposes.

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Orion (constellation)

Orion is a prominent set of stars visible during winter in the northern celestial hemisphere.

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Pioneer plaque

The Pioneer plaques are a pair of gold-anodized aluminum plaques that were placed on board the 1972 Pioneer 10 and 1973 Pioneer 11 spacecraft, featuring a pictorial message, in case either Pioneer 10 or 11 is intercepted by intelligent extraterrestrial life. Active SETI and Pioneer plaque are interstellar messages, search for extraterrestrial intelligence and technology in society.

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Polaris

Polaris is a star in the northern circumpolar constellation of Ursa Minor.

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Precautionary principle

The precautionary principle (or precautionary approach) is a broad epistemological, philosophical and legal approach to innovations with potential for causing harm when extensive scientific knowledge on the matter is lacking.

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Robert Freitas

Robert A. Freitas Jr. (born 1952) is an American nanotechnologist.

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Sagitta

Sagitta is a dim but distinctive constellation in the northern sky.

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San Marino Scale

The San Marino Scale is a suggested scale for assessing risks associated with deliberate transmissions from Earth aimed to possible extraterrestrial intelligent life. Active SETI and San Marino Scale are interstellar messages and search for extraterrestrial intelligence.

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Sónar

Sónar is a festival dedicated to music, creativity and technology, founded in Barcelona in 1994 by Ricard Robles, Enric Palau, and Sergi Caballero.

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The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets. Active SETI and search for extraterrestrial intelligence are interstellar messages.

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Security

Security is protection from, or resilience against, potential harm (or other unwanted coercion).

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Seth Shostak

Seth Shostak (born July 20, 1943) is an American astronomer and author, and is currently the senior astronomer for the SETI Institute. Active SETI and Seth Shostak are search for extraterrestrial intelligence.

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SETI Institute

The SETI Institute is a not-for-profit research organization incorporated in 1984 whose mission is to explore, understand, and explain the origin and nature of life in the universe, and to use this knowledge to inspire and guide present and future generations, sharing knowledge with the public, the press, and the government. Active SETI and SETI Institute are search for extraterrestrial intelligence.

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SETI@home

SETI@home ("SETI at home") is a project of the Berkeley SETI Research Center to analyze radio signals with the aim of searching for signs of extraterrestrial intelligence. Active SETI and SETI@home are search for extraterrestrial intelligence.

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Soviet Union

The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 to 1991.

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Space policy

Space policy is the political decision-making process for, and application of, public policy of a state (or association of states) regarding spaceflight and uses of outer space, both for civilian (scientific and commercial) and military purposes.

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Spica

Spica is the brightest object in the constellation of Virgo and one of the 20 brightest stars in the night sky.

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Stephen Hawking

Stephen William Hawking, (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge.

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Teegarden's Star

Teegarden's Star (SO J025300.5+165258, 2MASS J02530084+1652532, LSPM J0253+1652) is an M-type red dwarf star in the constellation Aries, from the Solar System.

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Teen Age Message

The Teen Age Message (TAM) was a series of interstellar radio transmissions sent from the Yevpatoria Planetary Radar to six solar-type stars during August–September 2001. Active SETI and Teen Age Message are interstellar messages, search for extraterrestrial intelligence and technology in society.

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The Three-Body Problem (novel)

The Three-Body Problem is a 2008 novel by the Chinese science fiction author Liu Cixin.

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TZ Arietis

TZ Arietis (also known as Gliese 83.1, GJ 9066, or L 1159-16) is a red dwarf in the northern constellation of Aries.

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University of California, Berkeley

The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California.

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Ursa Major

Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.

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Ursa Minor

Ursa Minor (Latin: 'Lesser Bear', contrasting with Ursa Major), also known as the Little Bear, is a constellation located in the far northern sky.

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Virgo (constellation)

Virgo is one of the constellations of the zodiac.

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Vladimir Lenin

Vladimir Ilyich Ulyanov (1870 – 21 January 1924), better known as Vladimir Lenin, was a Russian revolutionary, politician and political theorist.

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Wow! signal

The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States, then used to support the search for extraterrestrial intelligence. Active SETI and Wow! signal are search for extraterrestrial intelligence.

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Zoo hypothesis

The zoo hypothesis speculates on the assumed behavior and existence of technologically advanced extraterrestrial life and the reasons they refrain from contacting Earth. Active SETI and zoo hypothesis are search for extraterrestrial intelligence.

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15 Sagittae

15 Sagittae (15 Sge) is a star in the northern constellation Sagitta, located around 58 light years away from the Sun.

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16 Cygni

16 Cygni or 16 Cyg is a triple star system approximately 69 light-years away from Earth in the constellation of Cygnus.

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37 Geminorum

37 Geminorum is a solitary Sun-like star located at the northwest part of the northern constellation of Gemini, about three degrees to the east of the bright star Epsilon Geminorum.

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47 Ursae Majoris

47 Ursae Majoris (abbreviated 47 UMa), formally named Chalawan, is a yellow dwarf star approximately 45.3 light-years from Earth in the constellation of Ursa Major.

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55 Cancri

55 Cancri is a binary star system located 41 light-years away from the Sun in the zodiac constellation of Cancer.

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See also

Interstellar messages

• A Simple Response to an Elemental Message
• Across the Universe (message)
• Active SETI
• Alexander Ollongren
• Alexander Zaitsev (astronomer)
• Ann Druyan
• Arecibo message
• Bracewell probe
• Breakthrough Initiatives
• Breakthrough Listen
• Carl Sagan
• Communication with extraterrestrial intelligence
• Contents of the Voyager Golden Record
• Cosmic Call
• CosmicOS
• Douglas Vakoch
• Drake equation
• Extraterrestrial life
• Fermi paradox
• Frank Drake
• Gauss's Pythagorean right triangle proposal
• Hans Freudenthal
• Information panspermia
• Interstellar communication
• Iosif Shklovsky
• Isotropic beacon
• Jon Lomberg
• Lincos language
• Linda Salzman Sagan
• List of interstellar radio messages
• Lone Signal
• Message in a bottle
• Metalaw
• Morse Message (1962)
• NIROSETI
• Nikolai Kardashev
• Pioneer plaque
• Prix Guzman
• Rio scale
• SEVENDIP
• San Marino Scale
• Search for extraterrestrial intelligence
• Stéphane Dumas (astrophysicist)
• Stephen Webb (scientist)
• Teen Age Message
• Time capsule
• Voyager Golden Record
• Yvan Dutil

References

[1] https://en.wikipedia.org/wiki/Active_SETI

Also known as AMFE, HELLO FROM EARTH, Message to Extra-Terrestrial Intelligence, Message to Extraterrestrial Intelligence, Messages To Extraterrestrial Intelligence, Messaging Extra-Terrestrial Intelligence, Messaging Extraterrestrial Intelligence, Messaging to Extra-Terrestrial Intelligence, Messaging to Extraterrestrial Intelligence, Messaging to Extraterrestrial Intelligence (METI), Positive SETI.

, Jill Tarter, João Pedro de Magalhães, Kappa1 Ceti, Kardashev scale, Libra (constellation), List of stars in Libra, Liu Cixin, Lone Signal, Luyten's Star, Mark Buchanan, Messier 13, METI International, Milky Way, Morse Message (1962), National Space Development Agency of Japan, Orion (constellation), Pioneer plaque, Polaris, Precautionary principle, Robert Freitas, Sagitta, San Marino Scale, Sónar, Search for extraterrestrial intelligence, Security, Seth Shostak, SETI Institute, SETI@home, Soviet Union, Space policy, Spica, Stephen Hawking, Teegarden's Star, Teen Age Message, The Three-Body Problem (novel), TZ Arietis, University of California, Berkeley, Ursa Major, Ursa Minor, Virgo (constellation), Vladimir Lenin, Wow! signal, Zoo hypothesis, 15 Sagittae, 16 Cygni, 37 Geminorum, 47 Ursae Majoris, 55 Cancri.