Astrobiology

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    In late August, the SETI (Search for Extraterrestrial Intelligence) Institute revealed that they had detected a strange signal that was 94 light years away from Earth. During the time of the signal’s discovery, senior astronomer for SETI, Seth Shostak, could only describe the signal as “interesting”. However, he rhetorically asks, “Could it be another society sending a signal our way?” Shostak, like many other scientists who had heard about the mysterious SETI signal, had hoped for signs of intelligent life beyond Earth and its atmosphere. As it turned out, the signal was nothing more than interference from a military satellite. While the signal turned out to be a false alarm, it brings into question whether the benefits of an interaction with intelligent, extraterrestrial life outweigh the negative implications that come with meeting a vastly different group of individuals. The debate about whether there should be an active attempt to communicate with intelligent extraterrestrials is popular. However, I hope to introduce the discussion about why “differences” between two species would prevent the two communities from interacting. To add some context to my question, the interactions possible between Earth and an extraterrestrial colony can be compared to two different countries meeting together for the first time. In a good scenario, the two countries each have information that they can exchange, and that will benefit the other country. One country will learn how to grow…

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    Edward M. Goolish

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    Edward M. Goolish is an astrobiologist and the Deputy Director of the NASA Astrobiology Institute, which is a position that he has held for many years ever since 2006. He has served N.A.I. (NASA Astrobiology Institute) or about six years, and he has been the Assistant director for research from February 1, 2013 to August 11, 2014. In 1994, Goolish came to Ames Research Center to conduct research on how the small forces within space can change aquatic organisms, vertebrates and behaviors. He…

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    The article “ When Did Photosynthesis Emerge on Earth?” was written by the principal investigator of the Ames Research Center team of the NASA Astrobiology Institute, David Des Marais. His experience has led him to publish more than 160 technical articles and chapters on many research topics such as the biogeochemical carbon cycle and the early evolution of the Earth and its biosphere. In this particular article, Des Marais establishes that life dates back to 3800 years ago and that not only…

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    Mars Red Planet

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    Mars otherwise known as the “red planet” because of the iron oxide surface on the planet that gives it a red color coat, is one point five hundred and twenty four astronomical units away from the sun. That’s one hundred and forty one point six million miles from the sun making it the fourth planet from the sun. It can easily be seen from Earth because of its red color. According to Nasa, “Mars is named for the ancient Roman god of war”. The Romans chose the name God Of War because it “resembles…

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    Harvard has multiple departments including paleoentomology, analytical paleontology, geobiology, and astrobiology. The University of Chicago paleontology science it is one of the most important classes one year they went on a field trip to discover and study new fossil digging site and rock samples. The class have the chance to have a hands on education a fossil is just not the finding of dinosaur bones, it’s the study of different history of different things. Everything we thought we know about…

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    Sara Seager Essay

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    “Exoplanet Habitability”, Seager discussed her search for exoplanets, and the supplemental search for habitable planets. This search for habitable planets, largely involves the classification of exoplanets, including the mass, orbit, habitable zone, atmosphere, and more. These classifications are even more important when considering the fact that planets may be habitable even with slightly different characteristics than Earth. One is to look for biosignature gases which would indicate…

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    Klahr Hubert, Brandner Wolfgang, Jakosky Bruce. These three people are positively expert of Astronomy, especially Jakosky Bruce, the leader of the University of Colorado at Boulder team within the NASA Astrobiology institute, has authority to define the planet and his book the extremely high credibility. In this powerful resource, we can find some really interesting facts of the dwarf planet: The dwarf planets are usually less massive than planets, with an irregular orbit around the star. This…

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    summers in various areas affected from the angularity of the ellipse with the earth’s rotation coupled with the atmospheric conditions. The scientists tend to agree that we have a hotter climate occurring from human activities in part with the atmospheric conditions of the environment. However, humanity draws their own conclusions based on what they feel and sense rather than proven results from testing and research. Then there is the money moving through various political hands in order to…

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    spent my teenage years educating and broadening my intellect on different fields from Elizabethan literature to astronomy, even building my own small home-made telescope! The truth is, the moment I encountered knowledge, experimentation and creation I felt that everything in this world can be objectively explained and quantified by connecting the different branches of knowledge. But such view seemed far fetched the moment I received my first school timetable in which each subject seemed to…

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    Enceladus Description

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    smooth surface makes it have the highest reflectivity in the solar system, and its albedo is as high as 138%. The average temperature during nights is much lower than most of other planets, which is only -198 degrees centigrade (75 degrees Kelvin). (Dunbar, 2016) This will be a dangerous problem that may leads to failing. Keeping machines and equipment working and protecting landers will be our primary task. Therefore we will be using an orbiter to detect warmest region first, then sending our…

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