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  • 1
    Electronic Resource
    Electronic Resource
    KUIPER BELT OBJECTS (1999)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Earth and Planetary Sciences 27 (1999), S. 287-312 
    Details
    ISSN: 0084-6597
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Geosciences , Physics
    Notes: Abstract The region of the solar system immediately beyond Neptune's orbit is densely populated with small bodies. This region, known as the Kuiper Belt, consists of objects that may predate Neptune, the orbits of which provide a fossil record of processes operative in the young solar system. The Kuiper Belt contains some of the Solar System's most primitive, least thermally processed matter. It is probably the source of the short-period comets and Centaurs, and may also supply collisionally generated interplanetary dust. I discuss the properties of the Kuiper Belt and provide an overview of the outstanding scientific issues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.earth.27.1.287
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  • 2
    Electronic Resource
    Electronic Resource
    KUIPER BELT OBJECTS: Relics from the Accretion Disk of the Sun (2002)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 40 (2002), S. 63-101 
    Details
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Notes: Abstract The Kuiper Belt consists of a large number of small, solid bodies in heliocentric orbit beyond Neptune. Discovered as recently as 1992, the Kuiper Belt objects (KBOs) are thought to hold the keys to understanding the early solar system, as well as the origin of outer solar system objects, such as the short-period comets and the Pluto-Charon binary. The KBOs are probably best viewed as aged relics of the Sun's accretion disk. Dynamical structures in the Kuiper Belt provide evidence for processes operative in the earliest days of the solar system, including a phase of planetary migration and a clearing phase, in which substantial mass was lost from the disk. Dust is produced to this day by collisions between KBOs. In its youth, the Kuiper Belt may have compared to the dust rings observed now around such stars as GG Tau and HR 4796A. This review presents the basic physical parameters of the KBOs and makes connections with the disks observed around nearby stars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.astro.40.060401.093818
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  • 3
    Electronic Resource
    Electronic Resource
    An abundant population of small irregular satellites around Jupiter (2003)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 423 (2003), S. 261-263 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Irregular satellites have eccentric orbits that can be highly inclined or even retrograde relative to the equatorial planes of their planets. These objects cannot have formed by circumplanetary accretion, unlike the regular satellites that follow uninclined, nearly circular and prograde orbits. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature01584
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  • 4
    Electronic Resource
    Electronic Resource
    The size and albedo of the Kuiper-belt object (20000) Varuna (2001)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 411 (2001), S. 446-447 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Observations over the last decade have revealed the existence of a large number of bodies orbiting the Sun beyond Neptune. Known as the Kuiper-belt objects (KBOs), they are believed to be formed in the outer reaches of the protoplanetary disk around the young Sun, and have been little altered ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35078008
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  • 5
    Electronic Resource
    Electronic Resource
    Crystalline water ice on the Kuiper belt object (50000) Quaoar (2004)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 432 (2004), S. 731-733 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Kuiper belt is a disk-like structure consisting of solid bodies orbiting the Sun beyond Neptune. It is the source of the short-period comets and the likely repository of the Solar System's most primitive materials. Surface temperatures in the belt are low (∼ 50 K), ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature03111
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  • 6
    Electronic Resource
    Electronic Resource
    A new dynamical class of object in the outer Solar System (1997)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 387 (1997), S. 573-575 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Some three dozen objects have now been discovered beyond the orbit of Neptune and classified as members of the Kuiper belt—a remnant population of icy planetesimals that failed to be incorporated into planets. At still greater distances is believed to lie the Oort cloud—a massive ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/42413
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  • 7
    Electronic Resource
    Electronic Resource
    A candidate dust disk surrounding the binary stellar system BD+31°643 (1997)
    [s.l.] : Nature Publishing Group
    Nature 386 (1997), S. 52-54 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To establish criteria for identifying circumstellar nebulosities as candidates for near-edge-on disks, we use P Pic as a standard. The |3 Pic disk is a nearly linear, optical reflection nebulosity bisected by the star (Fig. 1), with a radius of at least 1,000 AU (60 arcsec)5, but with significant ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/386052a0
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  • 8
    Electronic Resource
    Electronic Resource
    Astronomy Eyes wide shut (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 403 (2000), S. 145-148 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Astronomers like to forget that the roots of their subject lie in ancient superstitions about the influence of the cosmos on everyday affairs. In fact, astronomy and astrology were closely intertwined as recently as four centuries ago, when Tycho Brahe laid the foundations of modern astronomy ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35003077
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  • 9
    Electronic Resource
    Electronic Resource
    Cometary Rotation: an Overview (1997)
    Springer
    Earth, moon and planets 79 (1997), S. 35-53 
    Details
    ISSN: 1573-0794
    Keywords: Comets ; nucleus ; rotation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract I discuss our current understanding of the spin states of cometary nuclei. Cometary spin influences the temporal and spatial patterns of outgassing from the nucleus (through diurnal and seasonal effects) and is in turn influenced by outgassing-driven torques. The current challenge to cometary astronomers is to quantify the interactions between the spin, the outgassing, and the resultant torques on the nucleus, and to understand the role of rotation in determining the basic physical properties of the nucleus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006272914117
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  • 10
    Electronic Resource
    Electronic Resource
    Coma formation driven by carbon monoxide release from comet SchwassmannWachmann 1 (1994)
    [s.l.] : Nature Publishing Group
    Nature 371 (1994), S. 229-231 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Periodic comet Schwassmann Wachmann 1 (SW1) lies beyond Jupiter in a nearly circular orbit with a semimajor axis of 6.03 AU and a period of 14.8 yr. Its perihelion and aphelion are at 5.77 and 6.28 AU, respectively. The comet is famous both for its episodic outbursts of dust10'11 and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/371229a0
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