Solar System Exploration Road Map
NASA has commissioned a group of scientists, engineers, educators, and technologists to prepare a
solar↗
Engineering topics
Rahe, Jurgen
Publications and source records attributed to Rahe, Jurgen.
Reports of planetary astronomy - 1991
This publication provides information about currently funded scientific research projects conducted in the Planetary Astronomy Program during 1991, and consists of two main sections. The first section gives a summary of research objectives, past accomplishments, and projected future investigations, as submitted by each principal investigator. In the second section, recent scientifically significant accomplishments within the Program are highlighted.
Rahe, Jurgen↗
Workshop on Observations of Recent Comets (1990)
Potential interpretations are presented for observations of four comets: Brorsen-Metcalf (1989o), Okazaki-Levy-Rudenko (1989r), Aarseth-Brewington (1989a1), and Austin (1989o1). The relationship of minor species with each other and possible parents as well as with dust are being pursued in a number of investigations. Of particular interest are the abundance ratios of CH4 to CO and NH3 to N2. The need for closer collaboration betwen observing teams and modelers is examined. The need for dust size distribution as a function of cometocentric distance to be analyzed in closer collaboration between observers and modelers is discussed.
Huebner, Walter F.↗
Time-Variable Phenomena in the Jovian System
The current state of knowledge of dynamic processes in the Jovian system is assessed and summaries are provided of both theoretical and observational foundations upon which future research might be based. There are three sections: satellite phenomena and rings; magnetospheric phenomena, Io's torus, and aurorae; and atmospheric phenomena. Each chapter discusses time dependent theoretical framework for understanding and interpreting what is observed; others describe the evidence and nature of observed changes or their absence. A few chapters provide historical perspective and attempt to present a comprehensive synthesis of the current state of knowledge.
Belton, Michael J. S.↗
Review of results on Halley's comet
Since its recovery in 1982, Comet Halley has been the focus of an unparalleled global scientific effort of exploration. Remote and in situ measurements were conducted from the ground, from earth orbit, from Venus orbit, from interplanetary space, and from the comet itself. Many discoveries, such as the presence of an unexpectedly large and dark nucleus or the abundance of organic material, have led to major changes in the ideas about the general nature of comets. In this report, results of various studies are summarized.
Rahe, Jurgen↗