Posts Tagged ‘extraterrestrial’
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Astrobiologists typically target Earth-like planets in the search for extraterrestrial life. But one scientist is encouraging a broader search.
MIT astrophysicist Sara Seager believes the narrow search by researchers will bypass many potentially habitable worlds. Space.com explains Seager’s point that, “While it may seem natural to zero in on ‘alien Earths,’ such a narrow focus would exclude many potentially life-supporting exoplanets, whose diversity continues to astound astronomers.” Most of the current efforts looking for alien life seek out Earth-like planets because those worlds are more likely to support life as we know it. But as Seager explains to Space.com, “The number of planets that we’re going to be able to see in our lifetime — and look at their atmospheres for signs of life — is so small that we’re forced to be open-minded.”
Seager believes that a more open-minded approach, paired with a better understanding of exoplanet habitability is essential to the search for extraterrestrial life. Studying atmospheres of potentially habitable worlds is crucial in the effort to gain a better understanding of exoplanets. And fortunately, NASA is launching a new tool designed to do just that. The James Webb Space Telescope is launching in 2018, and it will be able to analyze the atmospheres of exoplanets and search for signs of life.
Seager’s ideas about exoplanet habitability were just published in an article in a special exoplanet issue of the journal Science. And her hope is that this article “gets people to realize that so many types of worlds could be habitable, and that our chance of finding one is higher when we accept that.”
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The late Colonel Philip J. Corso, a member of President Eisenhower’s National Security Council and former head of the Foreign Tech The late Colonel Philip J. Corso, a member of President Eisenhower’s National Security Council and former head of the Foreign Technology Desk at the US Army’s Research & Development department, came forward to reveal his personal stewardship of alien artifacts from the Roswell crash. In his book, The Day After Roswell, he told how he spearheaded the Army’s …
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Roswell UFO Disclosure: Col. Corso Pt.6
Image credit: ESA
A new space-based tool is launching in five years that will search for extraterrestrial life.
A new study suggests that white dwarf stars can support habitable planets. RedOrbit explains that researchers demonstrated that “it should be possible to detect biomarkers surrounding these habitable planets – including methane and oxygen – that indicate the presence of life using advanced technology that will become available in the next decade.”
This advanced technology will be aboard NASA’s James Webb Space Telescope (JWST) that is scheduled to launch in 2018. According to the Daily Galaxy, Professor Avi Loeb, director of Harvard University’s Institute for Theory and Computation, who led the recent study, explains, “In the quest for extraterrestrial biological signatures, the first stars we study should be white dwarfs.” Professor Dan Maoz of Tel Aviv University, who was part of the research team, agrees with Loeb. He states that, by using the JWST to examine planets orbiting white dwarf stars, if “all the conditions are right, we’ll be able to detect signs of life.”
JWST is designed to look into the infrared region of the light spectrum where such biomarkers are prominent, making it an ideal instrument for hunting out signs of life on exoplanets. JWST will also be able to analyze the atmosphere of Earth-like planets without weeding out the similar signatures of Earth’s own atmosphere because it will be space-based and not ground-based.
The team’s study was published in the Monthly Notices of the Royal Astronomical Society.
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Image credit: Maccoinnich/Wikimedia Commons
Researchers from fifteen UK research institutions have teamed up to search for extraterrestrial life.
Internationally renowned astrobiologist Professor Charles Cockell leads Edinburgh University’s UK Centre for Astrobiology (UKCA). According to Scottish newspaper The Scotsman, the UKCA will “spearhead Britain’s hunt for aliens – bringing together researchers from 15 institutions across the country.”
Cockell recently stated that, with all the new data available about other planets, “It’s become a lot easier to understand whether conditions on those planets are habitable and if life could exist there.”
A key instrument at the UKCA is a cutting-edge vacuum chamber capable of simulating atmospheric conditions on alien planets. Additionally, as the Scotsman explains, “Among the trailblazing technologies deployed will be a laboratory buried more than a kilometre underground in Boulby Mine, Yorkshire, which will enable the study of creatures living deep below the surface of the Earth.” Cockell describes that the Boulby International Subsurface Astrobiology Laboratory (BISAL) “is actually part of a lab that’s already there and being used for dark matter research. The mine itself, which is a salt mine, is also still in use and it’s very deep. You have things living in the salt which are unique.”
In addition to looking for life on other worlds, astrobiologists study life in general, exploring the origins of life, and researching the types of environments in which life as we know it can exist. Cockell points out, “It’s all about better knowledge of extreme environments in outer space based on extreme environments right here on Earth.” Salty environments have been found on Mars, and Cockell explains that, by studying the lifeforms existing in the deep salt mine in Yorkshire, scientists can gain insight into the types of life that may currently exist on Mars.
The BBC reports that the UKCA will officially launch on Tuesday, April 16. But the UKCA has been active since 2012. In early 2013, the UKCA offered an introductory astrobiology course through the online course provider Coursera. The course reportedly attracted 40,000 students from around the world.
The UKCA is affiliated with the NASA Astrobiology Institute, and collaborates with the following institutions:
- University of Bath
- University of Bradford
- University of Bristol
- Cranfield University
- Imperial College
- University of Kent
- University of Leeds
- University of Nottingham
- University of Leicester
- Open University
- University of Oxford
- Birkbeck, University of London
- University of East Anglia
- Astrobiology Society of Britain
Read more about the UKCA at http://www.astrobiology.ac.uk/
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Former Arizona Governor Fife Symington comes out publicly for the first time saying he witnessed the Phoenix Lights UFO and believes the UFO was probably an alien spacecraft. Thursday, March 22, 2007 – Courtesy CNN Related Links: en.wikipedia.org www.azfamily.com www.ufodigest.com ufos.about.com en.wikipedia.org Note: There were not enough characters allowed in the title to put in “probably” as he is quoted as saying what he thought the object was….
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Phoenix Lights was an alien spacecraft, former AZ Gov. says
The Scientific Quest for Extraterrestrial Life
Are we wasting money searching for otherworldly creatures? There's more to SETI (the Search for Extraterrestrial Intelligence) than meets the eye. Hosted by: Jacob Soboroff. GUESTS INCLUDE: Lee Speigel,. New York, NY. HuffPost Weird News Reporter …
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UFO Welcome Center in Bowman, SC open and ready to receive extraterrestrial …
God Discussion (blog)
A UFO welcome center in Bowman, South Carolina is open and ready to greet any extraterrestrial visitors that might come calling. Apparently the center has already welcomed visitors from three other worlds–and a man is ready and waiting in case more …
Man creates UFO Welcome Center in South Carolina