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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Stability of Neptune's ring arcs in question

Article Abstract:

Neptune exhibits ring arcs which are stable clumps of dust discontinuous from each other. A mechanism for confining the dust to these arcs proposes orbital resonances with two shepherding satellites. Another proposes a single satellite producing the ring arc structures. Observations of the ring arcs and Galatea, reveal a mismatch between the sites of the arcs and the site of Galatea's co-rotation inclined resonance.

Author: Becklin, E.E., Dumas, Christophe, Terrile, Richard J., Smith, Bradford A., Schneider, Glenn
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
Neptune (Planet), Planetary rings

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The accelerations of stars orbiting the Milky Way's central black hole

Article Abstract:

Research is presented concerning the velocity of the stars orbiting around the center of the Milky Way. The use of the orbiting stars to determine the size of the black hole at the center of the Milky Way is discussed.

Author: Ghez, A.M., Morris, M., Becklin, E.E., Tanner, A., Kremenek, T.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2000
Letter to the Editor, Stars, Orbits (Astrophysics)

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Black holes to extragalactic

Article Abstract:

The performance analysis of a newly developed X-ray binary system, M 33 X-7 which was used to measure the mass of a black hole (Triangulum or M 33) lying far beyond our own Galaxy is reported.

Author: Bulik, Tomasz
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Science & research, Stars, Double, Binary stars

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Subjects list: Research, Black holes (Astronomy), Milky Way
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