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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

A giant impact origin for Pluto's small moons and satellite multiplicity in the Kuiper belt

Article Abstract:

The proximity of Pluto's satellites P1 and P2 to Pluto and Charon, is shown near-circular orbits in the same plane as Pluto's largest satellite Charon and their apparent locations in or near high-order mean-motion resonances, all result from their being formed from collisional ejecta originating from the Pluto-Charon formation event. Dust-ice rings of variable optical depths may form sporadically in the Pluto system and satellites may be found around other Kuiper belt objects.

Author: Bule, M.W., Stern, S.A., Young, E.F., Weaver, H.A., Merline, W.J., Spencer, J.R., Mutchler, M.J., Steffl, A.J., Young, L.A.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Pluto (Planet), Kuiper Belt, Charon (Satellite)

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Little or no solar wind enters Venus' atmosphere at solar minimum

Article Abstract:

The magnetic field measurement in plasma environment surrounding Venus, observed from Venus Express spacecraft is reported. It shows little solar wind entering the Venus ionosphere even at solar minimum.

Author: Baumjohann, W., Fornacon, K.-H., Russell, C.T., Wang, C., Balogh, A., Barabash, S., Lammer, H., T. L. Zhang, Delva, M., Auster, H.-U., Carr, C., Balikhin, M., Kudela, K., Berghofer, G., Biernat, H.K., Lichtenegger, H., Magnes, W., Nakamura, R., Schwingenschuh, K., Volwerk, M., Voros, Z., Zambelli, W., Glassmeier, K.-H., Richter, I., Schwarzl, H., Pope, S.A., Shi, J.K., Motschmann, U., Lebreton, J.-P.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Science & research, Guided missiles and space vehicles, Guided Missile and Space Vehicle Manufacturing, Space Vehicles, Research, Environmental aspects, Discovery and exploration, Spacecraft, Magnetic fields, Solar wind, Venus (Planet), Space ships, Ionosphere

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Subjects list: United States, Observations
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