منابع مشابه
Astrobiology
If you were active on the web in July 1997, The spider bets that you surfed over to the US National Aeronautics and Space Agency (NASA) web site to watch live feedback of the Pathfinder Mission to Mars. And if you haven’t recently returned to outer space via cyberspace, it’s time to visit some of the web sites dedicated to space research, to learn about the growing field of astrobiology. Astrob...
متن کاملPahs and Astrobiology
In dense molecular clouds, the birthplace of stars and planets, interstellar atoms and molecules freeze onto extremely cold dust and ice particles. These ices are processed by ultraviolet light and cosmic rays forming hundreds of far more complex species, some of astrobiological interest. Eventually, these rain down on primordial planets where they take part in the young chemistry on these new ...
متن کاملPrestige Versus
How closely does stature (reputation) correspond to objective measures of actual performance? In the following article, reprinted from Social Science Quarterly, 1 James A. Christenson, Department of Sociology, University of Kentucky, Lexington, and Lee Sigelman, now dean. Faculty of Social and Behavioral Sciences, University of Arizona, Tucson, compare impact-factor data from the Social Science...
متن کاملWater and astrobiology
Water is formed from two of the three most abundant elements in the universe and so is abundant in interstellar space, in our Solar System, and on Earth, where it is an essential compound for the existence of life as we know it. Water ice acts as a substrate and reactant in interstellar clouds of gas and dust, enabling the formation of organic compounds that are important precursors to life and...
متن کاملThe Astrobiology Primer v2.0
Chapter Editors Shawn D. Domagal-Goldman (Co-Lead Editor, Co-Editor Chapter 1, and Author)* Katherine E. Wright (Co-Lead Editor, Co-Editor Chapter 1, and Author)* Katarzyna Adamala (Co-Editor Chapter 3 and Author) Leigh Arina de la Rubia (Editor Chapter 9 and Author) Jade Bond (Co-Editor Chapter 3 and Author) Lewis R. Dartnell (Co-Editor Chapter 7 and Author) Aaron D. Goldman (Editor Chapter 2 ...
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ژورنال
عنوان ژورنال: Nature
سال: 2014
ISSN: 0028-0836,1476-4687
DOI: 10.1038/512368a