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Astrobiology is a scientific field within the life and environmental sciences that studies the origins, early evolution, distribution, and future of life in the universe by investigating its deterministic conditions and contingent events. As a discipline, astrobiology is founded on the premise that life may exist beyond Earth.
Nemesis was a hypothetical red dwarf or brown dwarf, originally postulated in 1984 to be orbiting the Sun at a distance of about 95,000 AU, somewhat beyond the Oort cloud, to explain a perceived cycle of mass extinctions in the geological record, which seem to occur more often at intervals of 26 million years. In a 2017 paper, Sarah Sadavoy and Steven Stahler argued that the Sun was probably part of a binary system at the time of its formation, leading them to suggest "there probably was a Nemesis, a long time ago". Such a star would have separated from this binary system over four billion years ago, meaning it could not be responsible for the more recent perceived cycle of mass extinctions.
The Royal Astronomical Society (RAS) is a learned society and charity that encourages and promotes the study of astronomy, solar-system science, geophysics and closely related branches of science. Its headquarters are in Burlington House, on Piccadilly in London. The society has over 4,000 members, known as fellows, most of whom are professional researchers or postgraduate students. Around a quarter of Fellows live outside the UK.
Colin Trevor Pillinger, was an English planetary scientist. He was a founding member of the Planetary and Space Sciences Research Institute at Open University in Milton Keynes, he was also the principal investigator for the British Beagle 2 Mars lander project, and worked on a group of Martian meteorites.
Martin John Rees, Baron Rees of Ludlow, is a British cosmologist and astrophysicist. He is the fifteenth Astronomer Royal, appointed in 1995, and was Master of Trinity College, Cambridge, from 2004 to 2012 and President of the Royal Society between 2005 and 2010.
A transit of Mercury across the Sun takes place when the planet Mercury passes directly between the Sun and a superior planet. During a transit, Mercury appears as a tiny black dot moving across the Sun as the planet obscures a small portion of the solar disk. Because of orbital alignments, transits viewed from Earth occur in May or November. The last four such transits occurred on May 7, 2003; November 8, 2006; May 9, 2016; and November 11, 2019. The next will occur on November 13, 2032. A typical transit lasts several hours. Mercury transits are much more frequent than transits of Venus, with about 13 or 14 per century, primarily because Mercury is closer to the Sun and orbits it more rapidly.
British society is one of the most secularized in the world and in many surveys determining religious beliefs of the population agnosticism, nontheism, atheism, secular humanism, and non-affiliation are views shared by a majority of Britons. Historically, it was dominated for over 1,400 years by various forms of Christianity, which replaced preceding Romano-British religions, including Celtic and Anglo-Saxon paganism. Religious affiliations of United Kingdom citizens are recorded by regular surveys, the four major ones being the national decennial census, the Labour Force Survey, the British Social Attitudes survey and the European Social Survey.
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The Jackson-Gwilt Medal is an award that has been issued by the Royal Astronomical Society (RAS) since 1897. The original criteria were for the invention, improvement, or development of astronomical instrumentation or techniques; for achievement in observational astronomy; or for achievement in research into the history of astronomy. In 2017, the history of astronomy category was removed for subsequent awards and was transferred to a new award, the Agnes Mary Clerke Medal.
Monica Mary Grady, CBE, is a leading British space scientist, primarily known for her work on meteorites. She is currently Professor of Planetary and Space Science at the Open University and is also the Chancellor of Liverpool Hope University.
Steven J. Dick is an American astronomer, author, and historian of science most noted for his work in the field of astrobiology. Dick served as the chief historian for the National Aeronautics and Space Administration from 2003 to 2009 and as the Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology from 2013 to 2014. Before that, he was an astronomer and historian of science at the United States Naval Observatory in Washington, DC, from 1979 to 2003.
Ariel 1, was the first British-American satellite, and the first satellite in the Ariel programme. Its launch in 1962 made the United Kingdom the third country to operate a satellite, after the Soviet Union and the United States. It was constructed in the UK and the United States by NASA Goddard Space Flight Center and SERC, under an agreement reached as the result of political discussions in 1959 and 1960. The US Starfish Prime exoatmospheric nuclear test affected Ariel 1's operational capability.
Caleb Asa Scharf is a British-American astronomer and popular science author. He is currently the senior scientist for astrobiology at the NASA Ames Research Center in Mountain View, California. He formerly served as the director of the multidisciplinary Columbia Astrobiology Center at Columbia University, New York.
Christopher David Impey is a British astronomer, educator, and author. He has been a faculty member at the University of Arizona since 1986. Impey has done research on observational cosmology, in particular low surface brightness galaxies, the intergalactic medium, and surveys of active galaxies and quasars. As an educator, he has pioneered the use of instructional technology for teaching science to undergraduate non-science majors. He has written many technical articles and a series of popular science books including The Living Cosmos, How It Began, How It Ends: From You to the Universe, Dreams of Other Worlds, and Humble Before the Void. He served as Vice-President of the American Astronomical Society, he is a Fellow of the American Association for the Advancement of Science, and a Howard Hughes Medical Institute Professor. He serves on the Advisory Council of METI.
The Society for the History of Astronomy is an organisation based in the United Kingdom that promotes research into the history of astronomy. It publishes a research journal called The Antiquarian Astronomer and a regular Bulletin.
Roger Everett Summons is the Schlumberger Professor of Geobiology at the Massachusetts Institute of Technology and Professor of Geobiology in the Department of Earth, Atmospheric and Planetary Sciences.
Ian Andrew Crawford is a British professor of planetary science and astrobiology at Birkbeck, University of London in the United Kingdom.
Giovanna Tinetti is an Italian physicist based in London. She is a Professor of Physics and Astronomy at University College London, who researches galactic planetary science, exoplanets and atmospheric science.
Hiranya Vajramani Peiris is a British astrophysicist at the University of Cambridge, University College London, and Stockholm University, best known for her work on the cosmic microwave background radiation. She was one of 27 scientists who received the Breakthrough Prize in Fundamental Physics in 2018 for their "detailed maps of the early universe."
Spanish Astrobiology Center is a state-run institute in Spain dedicated to astrobiology research, and it is part of the National Institute of Aerospace Technology (INTA) as well as the Spanish National Research Council (CSIC). It was created in 1999 and it is affiliated with NASA Astrobiology Institute.
References
- ↑ "Intl. Partners: Astrobiology Society of Britain". NASA. Archived from the original on 9 June 2012. Retrieved 24 July 2012.
- ↑ "Associations and Affiliations". Royal Astronomical Society . Retrieved 5 December 2014.
- ↑ "Society FAQs". Astrobiology Society of Britain. Archived from the original on 18 October 2016. Retrieved 5 December 2014.
