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http://www.armaghplanet.com/pdf/AstroTopics/Solar%20System/Earth%20and%20Mars.pdf.
http://www.armaghplanet.com/pdf/AstroTopics/Solar%20System/Earth%20and%20Mars.pdf.
1. http://www.armaghplanet.com/pdf/AstroTopics/Solar%20System/Deeptime.pdf
Deep Time: Earth's history and future By Colin Johnston, Armagh Planetarium Earth 4.54 billion years ago Forms in Sun's protoplanetary disc S un Elsewhere in Solar System Other planets form. ... Hot and airless Sun a subgiant, diameter 1.5 its current value, 2 6.4 billion years from no w ? ... Earth cools 20 million years later? ... Core temperature about 55 million°C, helium flash, followed by the Sun shrinking Sun is 10 times its current diameter, luminosity 20-50% current value. ...
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Ссылки http://www.armaghplanet.com/pdf/AstroTopics/Solar%20System/Deeptime.pdf -- 84.3 Кб -- 20.09.2011
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2. http://www.armaghplanet.com/pdf/Administration/BOG-MINUTES-23-3-12-Final-22-3-13.pdf
MINUTES OF THE ANNUAL VISITATION BY THE BOARD OF GOVERNORS HELD IN THE OBSERVATORY BOARDROOM AT 10.40 A.M. ON 23 MARCH 2012 Present: His Grace, the Most Reverend A.E.T. Harper (Chairman), Canon W.M. Adair, Mr W.G. Berry, Dean G. Dunstan, Archdeacon R.G. Hoey, Professor R. Oudmaijer, Canon R.J.N. Porteus and Professor S. Smartt Canon J.N.T. Campbell, Canon J.W. McKegney, and Canon C.F. Moore Dr T. Mason, ... MINUTES BOARD OF GOVERNORS 23 March 2012 Page 8 5. ...
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Ссылки http://www.armaghplanet.com/pdf/Administration/BOG-MINUTES-23-3-12-Final-22-3-13.pdf -- 161.2 Кб -- 22.04.2013
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