Results 311 to 320 of about 123,357 (335)
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2002
"We are now on the threshold of a new era of asteroid studies," wrote Tom Gehrels in 1971 (Gehrels, 1971). These words proved quite prophetic for the three decades of physical observations and theoretical understanding that followed. As the third century of asteroid research has begun in 2001, we can once again picture ourselves standing on a new ...
BOTTKE J.R. W. F. +3 more
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"We are now on the threshold of a new era of asteroid studies," wrote Tom Gehrels in 1971 (Gehrels, 1971). These words proved quite prophetic for the three decades of physical observations and theoretical understanding that followed. As the third century of asteroid research has begun in 2001, we can once again picture ourselves standing on a new ...
BOTTKE J.R. W. F. +3 more
openaire +2 more sources
Gut, 2010
During transarterial embolisation of a patient with hepatocellular carcinoma (HCC), a medical student learnt during his bedside teaching lesson that haematogenous metastasis may occur in cases with HCC. After this interventional procedure the medical student saw the catheter that had been used. This prompted him to use microscopy to analyse a …
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During transarterial embolisation of a patient with hepatocellular carcinoma (HCC), a medical student learnt during his bedside teaching lesson that haematogenous metastasis may occur in cases with HCC. After this interventional procedure the medical student saw the catheter that had been used. This prompted him to use microscopy to analyse a …
openaire +3 more sources
Surface Gravity Fields for Asteroids and Comets
, 2013The characteristics of the interior gravity field are derived, summarized, and evaluated near the surface of an asteroid for the purpose of small body proximity operations.
Yu Takahashi, D. Scheeres, R. A. Werner
semanticscholar +1 more source
Collisions of Asteroids: Asteroid (596) Sheila
Astrophysical Bulletin, 2019Among the small bodies of the Solar System, at present, a group of bodies, called comets of the main belt, exhibiting dynamic and/or physical properties of both comets and asteroids is distinguished. One of the reasons for such manifestations may be collisions with other bodies.
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Super-catastrophic disruption of asteroids at small perihelion distances
Nature, 2016M. Granvik +8 more
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Determination of Masses of Six Asteroids from Close Asteroid—Asteroid Encounters
2001New masses of six asteroids: (6) Hebe, (10) Hygiea, (15) Eunomia, (52) Europa, (511) Davida and (704) Interamnia were determined within the ongoing Asteroid Mass Determination Program, started in 1998 in the Wroclaw University Observatory. The masses were calculated by means of the least-squares method as weighted means of the values found separately ...
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Asteroid-Asteroid Interactions - Dynamically Irrelevant?
1991Structural investigations of the distribution of the asteroids have so far concentrated on the interactions with the major planets, especially Jupiter, and the resulting effects in element space. Here some less known structures of their distribution in actual space are shown: the radial number density and the orthogonal orbit density.
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Thermal fatigue as the origin of regolith on small asteroids
Nature, 2014M. Delbo’ +10 more
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