WorldCat Identities

A'Hearn, Michael F.

Overview
Works: 21 works in 41 publications in 1 language and 1,563 library holdings
Genres: Conference papers and proceedings 
Roles: Author, Editor
Publication Timeline
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Most widely held works by Michael F A'Hearn
A scientific assessment of a new technology orbital telescope by Task Group on BMDO New Technology Orbital Observatory(CB)( )

7 editions published in 1995 in English and held by 1,341 WorldCat member libraries worldwide

Comparative planetology with an earth perspective : proceedings of the first international conference held in Pasadena, California, June 6-8, 1994 by Moustafa T Chahine( )

10 editions published between 1995 and 2011 in English and held by 98 WorldCat member libraries worldwide

This volume identifies the similarities and differences in the processes of formation and evolution of all planets in the solar system. By comparing common processes and features of the planets, including Earth, we are better able to understand Earth as a planet, and the evolutionary processes that have led to its present state. As a result of these studies, we will acquire a better understanding of other planets, such as Venus and Mars. The results can then be iterated to achieve a common consensus. The prediction of future evolution is a definite ultimate goal. Also recommended as a reference source for graduate students in the planetary sciences who are interested in comparative studies of the planets
A high resolution solar atlas for fluorescence calculations by Michael F A'Hearn( Book )

1 edition published in 1983 in English and held by 79 WorldCat member libraries worldwide

Deep Impact at Comet Tempel 1( Book )

3 editions published in 2007 in English and held by 13 WorldCat member libraries worldwide

Proceedings of the First International Conference on Comet Hale-Bopp : held at Puerto de la Cruz, Tenerife, Canary Islands, from 2-5 February, 1998 by International Conference on Comet Hale-Bopp( Book )

3 editions published in 1999 in English and held by 6 WorldCat member libraries worldwide

Giotto's encounter with Comet 26P/Grigg-Skjellerup : data from the Giotto encounter on 10 July 1992 and ground-based observations( )

1 edition published in 1997 in English and held by 5 WorldCat member libraries worldwide

Proceedings of the First International Conference on Comet Hale-Bopp : held at Puerto de la Cruz, Tenerife, Canary Islands, from 2-5 February, 1998 by 1998, Puerto de la Cruz> International Conference on Comet Hale-Bopp <1( Book )

2 editions published in 1999 in English and held by 4 WorldCat member libraries worldwide

Proceedings of the First International Conference on Comet Hale-Bopp : held at Puerto de la Cruz, Tenerife, Canary Islands, from 2-5 February, 1998 by 1998, Puerto de la Cruz> International Conference on Comet Hale-Bopp <1( Book )

1 edition published in 1999 in English and held by 4 WorldCat member libraries worldwide

Deep impact mission to Comet 9P/Tempel 1, part 1( Book )

1 edition published in 2007 in English and held by 3 WorldCat member libraries worldwide

Special issue : proceedings of the First International Conference on Comet Hale-Bopp, held at Puerto de la Cruz, Tenerife, Canary Islands, from 2-5 February, 1998 by International Conference on Comet Hale-Bopp( Book )

1 edition published in 1999 in English and held by 3 WorldCat member libraries worldwide

Gas outflow and dust transport of comet 67P/Churyumov-Gerasimenko by MAR 14-18, 2016, Leiden, NETHERLANDS 50th ESLAB Symposium( )

1 edition published in 2016 in English and held by 1 WorldCat member library worldwide

Because of the diurnal thermal cycle and the irregular shape of the nucleus, gas outflow of comet 67P/Churyumov-Gerasimenko could be highly anisotropic as indicated by the colliminated dust jet structures on the sunlit side. Based on the OSIRIS imaging observations of the outgassing effect, a simple model of surface sublimation can be constructed by taking into account the dependence on the solar insolation. With preliminary information on the time variability of the global gas production rate, a sequence of gas coma models can be generated at different epochs before and after perihelion. We also investigate different patterns of dust particle dynamics under the influences of nuclear rotation and gas drag. From these considerations, a consistent picture of the spatial distribution of dusty materials across the surface of comet 67P as it moves around the perihelion can be developed. It is found that because of the redeposition of the ejected dust from the Southern hemisphere to the Northern hemisphere during the southern summer season the Hapi region could gain up to 0.4 m while the Wosret region would lose up to 1.8 m of dust mantle per orbit
Proceedings of the first international conference on comet Hale-Bopp( Book )

1 edition published in 1999 in English and held by 1 WorldCat member library worldwide

Giotto's encounter with Comet 26P/Grigg-Skjellerup : the scientific data by B Battrick( Book )

1 edition published in 1997 in English and held by 1 WorldCat member library worldwide

The fluorescence of cometary OH by David Glenn Schleicher( Book )

1 edition published in 1988 in English and held by 1 WorldCat member library worldwide

Deep impact mission to Comet 9P/Tempel 1, part 2( Book )

1 edition published in 2007 in English and held by 1 WorldCat member library worldwide

Geomorphological mapping of comet 67P/Churyumov-Gerasimenko's Southern hemisphere by MAR 14-18, 2016, Leiden, NETHERLANDS 50th ESLAB Symposium( )

1 edition published in 2016 in English and held by 1 WorldCat member library worldwide

In 2015 May, the Southern hemisphere of comet 67P/Churyumov-Gerasimenko became visible by the OSIRIS cameras on-board the Rosetta spacecraft. The resolution was high enough to carry out a detailed analysis of the surface morphology, which is quite different from the Northern hemisphere. Previous works show that fine particle deposits are the most extensive geological unit in the Northern hemisphere. In contrast, the Southern hemisphere is dominated by outcropping consolidated terrain. In this work, we provide geomorphological maps of the Southern hemisphere with the distinction of both geological units and linear features. The geomorphological maps described in this study allow us to gain a better understanding of the processes shaping the comet nucleus and the distribution of primary structures such as fractures and strata
A: Papers about neutral gas. B: Papers about dust( Book )

1 edition published in 1999 in English and held by 0 WorldCat member libraries worldwide

Invited reviews( Book )

1 edition published in 1999 in English and held by 0 WorldCat member libraries worldwide

Astronomy : the comet no one saw by Michael F A'Hearn( )

1 edition published in 2000 in English and held by 0 WorldCat member libraries worldwide

 
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Comparative planetology with an earth perspective : proceedings of the first international conference held in Pasadena, California, June 6-8, 1994
Covers
Alternative Names
Michael A'Hearn americký astronom a profesor

Michael A'Hearn Amerikaans astronoom

Michael A'Hearn amerikansk astronom

Майкл Ахерн

マイケル・アハーン

麥克·阿赫恩

麥可·阿赫恩

Languages
English (40)