... However, there are significant differences in polarisation of large and smaller size objects, and between large TNOs with water-ice and methane-ice dominated surfaces. ...
... We find this particularly unfortunate considering the recent publicity surrounding the discoveries at Arecibo about the lack of water-ice on the Moon reported in the Oct. 19th issue of Nature and the extraordinary dynamics of the Near Earth Asteroid (NEA ...
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Ссылки http://www.naic.edu/general/download-pdf/Arecibo_Planetary_Radar_Statement.pdf -- 16.5 Кб -- 31.01.2012 Похожие документы
... Besides silicates, crystal line water-ice and hydrous silicates - which had been detected in interplanetary dust particles - were found to be present in the cold circumstellar environment as well. ...
... This spot was co-discovered by Pedro Lacerda, an astronomer at Queenт??s University in Belfast and he believes that т??this area could be a richer source of crystalline water-ice than the rest of the surfaceт?? ...
... If this is right, then the presence of water-ice on the moon will transform the prospects for a manned lunar colony. ... The data sent back from the probe seems to indicate that there is water and water-ice in deep fissures near the South Pole. ...
... Particles of water-ice make up these clouds, like ice-crystal cirrus clouds on Earth. Ice hazes have been common at the Phoenix site in recent days. ...
... They are made mostly of water-ice and if you were to collect the entire mass of particles together, you would get a moon equal in mass to a 300 mile-wide moon like Enceladus." ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2008_10_October_Eyepiece.pdf -- 674.7 Кб -- 22.02.2015 Похожие документы
... SWAS: found · Water vapor is present in almost all star-forming regions · Gas-phase water abundance peaks near molecular surfaces; · Molecular clouds have an abundance of water-ice in their interiors . ...
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Ссылки http://www.stsci.edu/~marel/decadal/rfi/explorer.pdf -- 359.4 Кб -- 13.04.2009
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Ссылки http://hea-www.harvard.edu/~elvis/vigorous.pdf -- 359.4 Кб -- 14.04.2011 Похожие документы