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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

The structure of Venus' middle atmosphere and ionosphere

Article Abstract:

The radio-sounding results from first Venus Express Radio Science (VeRa) occultation season are reported. Findings provide insight into temperature at upper cloud-deck altitudes, day-night temperature differences in the southern middle atmosphere, and day-to-day changes in Venus' ionosphere.

Author: Bird, M.K., Asmar, S.W., Patzold, M., Hausler, B., Tellmann, S., Mattei, R., Dehant, V., Eidel, W., Imamura, T., Simpson, R.A., Tyler, G.L.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Environmental aspects

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Lightning on Venus inferred from whistler-mode waves in the ionosphere

Article Abstract:

The observations of Venus' ionosphere that reveal strong, circularly polarized, electro-magnetic waves with frequencies near 100 Hz are reported. The waves appear as burst of radiations and exhibit properties of whistler-mode signals generated by lightning discharges in Venus' clouds.

Author: Russell, C.T., Delva, M., Magnes, W., Zhang, T.L., Strangeway, R.J., Wei, H.Y.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Electromagnetic radiation, Lightning, Electromagnetic waves, Electric waves

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Gigantic jets between a thundercloud and the ionosphere

Article Abstract:

Research has been conducted on gigantic jets linking thunderclouds and ionosphere. Results demonstrate the generation of extremely-low-frequency waves by negative cloud-to-ionosphere discharges which reduce the electric potential between ionosphere and ground.

Author: H. T. Su, R. R. Hsu, A. B. Chen, Y. C. Wang, W. S. Hsiao, W. C. Lai, L. C. Lee, Sato, M., Fukunishi, H.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Taiwan, Japan, Analysis, Atmospheric circulation, Astrophysics, Properties, Electric circuits, Electric discharges through gases, Electric discharges, Thunderstorm electricity

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Subjects list: Research, United States, Observations, Venus (Planet), Ionosphere
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