... The Earth received its water from a combination of water-rich (~10% by mass) asteroid impacts from the outer asteroid belt, water-rich planetesimals from the Jupiter-Saturn region and to a lesser extent a late veneer of water from cometary nuclei [19, 20 ...
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Ссылки http://www.mso.anu.edu.au/~charley/papers/LineweaverRobles2006.pdf -- 82.1 Кб -- 01.05.2007 Похожие документы
... These include the frequency of grazing impacts with molecular clouds, the circularity of stellar orbits and their proximity to the corotation circle, and the effect of starbursts and an active Galactic nucleus in the early history of the most central ...
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Ссылки http://www.mso.anu.edu.au/~charley/papers/LineweaverFennerGibson.pdf -- 461.0 Кб -- 11.12.2004 Похожие документы
... Zeilik, M. & Morris, V.J. 2004, рThe Impact of Cooperative Quizzes in a Large Introductory Astronomy Course for NonпScience Majorsс, Astronomy Education Review, 3, 51 . ...
... and QSO Redshift Surveys, marking the impact these major programs are having on the ... She obviously made an enormous impact on all the people around her. ... Program, it has already made a substantial impact on the Graduate Program in several ...
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Ссылки http://www.mso.anu.edu.au/annualReport/1999/annualrep1999.pdf -- 1204.9 Кб -- 15.10.2004 Похожие документы
... Wetherill (1994) has estimated that Jupiter signi cantly reduced the frequency of sterilizing impacts on the early Earth during the importantepoch 4 billion years ago when life originated on Earth. ...
... However, the timescale for this to occur is appreciably longer than the baryon free-fall time and is unlikely to impact upon our estimate for the epoch of re-ionization. ...
... high-impact papers between 1981-1998 Bessell, Gibson, Swinburne and Bland-Hawthorn, AAO were awarded $18,000 from the MNRFI fund toward their research on Galaxy Evolution using the 6dF facility on the AAT Schmidt Telescope Bessell and Christlieb, Hamburg ...
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Ссылки http://www.mso.anu.edu.au/annualReport/2001/annrep_2001.pdf -- 398.8 Кб -- 15.10.2004 Похожие документы
... Although this program is not formally part of the Astronomy and Astrophysics Graduate Program, it makes a substantial impact on the graduate program in several ways: a large and lively body of students in the advanced lecture courses, a significant ...
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Ссылки http://www.mso.anu.edu.au/annualReport/2000/ann.rep.2000.pdf -- 1496.6 Кб -- 15.10.2004 Похожие документы