THIS is a translation from the second edition of the first volume of Prof. Oppölzer's laborious and truly classical work in German, on the theory and practical determination of the orbits of comets ...

On August 6, the Rosetta spacecraft entered into orbit around Comet 67P/Churyumov-Gerasimenko. It is the first manmade probe to complete such a maneuver, enabling the study of the comet at close range ...

THE volume which we have before us contains, as its title indicates, a list of the orbits of all those comets which have up to the present time been calculated. As our readers may already be aware, ...

Surveys in the visible and near-infrared spectral range have revealed the presence of low-albedo asteroids in cometary like orbits (ACOs). In contrast to Jupiter family comets (JFCs), ACOs are ...

Print & Full Archive SubscriptionThis digital issue plus 12 new issues (in print, digital and tablet formats) plus archive access to 1845.$99.00 ...

We study the influence of outer Solar System architecture on the structural evolution of the Oort Cloud (OC) and the flux of Earth-crossing comets. In particular, we seek to quantify the role of the ...

The best look yet at nearly 500 comets around a distant star reveals these alien snowballs come in very different flavors, just like comets around the sun, researchers say. The discovery of these ...

At head of title: Central Bureau for Astronomical Telegrams, International Astronomical Union. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source ...

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Monica Grady is Professor of Planetary and Space Sciences at the Open University and a Research Fellow at the Natural History Museum in London. She receives funding from the STFC, the UK Space Agency ...