منابع مشابه
Electron Signatures of Satellite Sweeping in the Magnetosphere of Uranus
The Voyager 2 Cosmic Ray System found large-scale macrosignatures of satellite sweeping for MeV electrons near the orbits of the satellites Miranda, Ariel, and Umbriel in the magnetosphere of Uranus. Due to the large magnetic inclinations of satellite orbits at Uranus, sweeping rates vary along the orbits with the McIlwain L parameter. However, no evidence was found, where expected, for fresh s...
متن کاملThe Atmosphere of Uranus
Cur r en t knowledge of t he a t m o s p h e r e of U r a n u s is rev iewed a n d specific ob jec t ives are sugges ted for sa te l l i te miss ions to U r a n u s . The a n o m a l o u s compos i t ion of U r a n u s m a k e s d e t e r m i n a t i o n s of i ts a t m o s p h e r i c compos i t i on pa r t i cu l a r ly va luab le for t e s t i n g theor ies of solar s y s t e m evolu t ion ....
متن کاملThe Rings of Uranus: Shepherded, or Not?
I investigate the hypothesis that small, unseen moons are “shepherding” the main rings of Uranus. The ring edges are expected to be confined at the discrete locations of Lindblad resonances, where the moon’s influence produces a wavy edge. For a narrow, optically thick ring, this interaction manifests itself as a periodic variation in the ring’s brightness. Under many circumstances, the induced...
متن کاملUranus’ aurorae past equinox
The aurorae of Uranus were recently detected in the far 2 ultraviolet with the Hubble Space Telescope (HST) pro3 viding a new, so far unique, means to remotely study the 4 asymmetric Uranian magnetosphere from Earth. We ana5 lyze here two new HST Uranus campaigns executed in Sept. 6 2012 and Nov. 2014 with different temporal coverage and 7 under variable solar wind conditions numerically predic...
متن کاملThe Galactic Center Magnetosphere
The magnetic field within a few hundred parsecs of the center of the Galaxy is an essential component of any description of that region. The field has several pronounced observational manifestations: 1) morphological structures such as nonthermal radio filaments (NTFs) – magnetic flux tubes illuminated by synchrotron emission from relativistic electrons – and a remarkable, large-scale, helicall...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1982
ISSN: 0252-9211
DOI: 10.1017/s0252921100082397