Research

My research deals with physical properties of small bodies of the solar system, mainly Kuiper belt objects (KBOs) and comets.  I also collaborate with medievalist Marilina Cesario to link medieval records of comet sightings to current theories of the evolution of the solar system.

• Binaries
• Comets
• Density
• Lightcurves
• Medieval comets

All Publications

• Astrophysics Data System
• Google Scholar

News, Results and Publications

• PAPER Implications of the small spin changes measured for large Jupiter-family comet nuclei (PDF)
• VIDEO “How medieval monks are revealing our universe’s secrets” in BBC Ideas
• EXHIBITION “Before and After Halley: Medieval Visions of Modern Science” at the British Academy Summer Showcase 2018 (website)
• EXHIBITION “Marvelling at the skies: comets through the eyes of the Anglo-Saxons” at the Ulster Museum (link)
• PAPER The tumbling rotational state of 1I/`Oumuamua (PDF)
• PAPER Dynamics of Dust Particles of Different Structures […] (abstract)
• AWARD Marilina Cesario and myself were awarded a Royal Society APEX Award for our project “Before and After Halley: Medieval Visions of Modern Science”
• PAPER A Dwarf Planet Class Object in the 21:5 Resonance with Neptune (PDF)
• PAPER Growth of cometary building blocks in the solar nebula (abstract)
• PAPER Rotation of Cometary Nuclei (PDF)
• PAPER All planetesimals born near the Kuiper belt formed as binaries (PDF)
• PAPER A laboratory study of water ice erosion by low energy ions (PDF)
• PAPER Acceleration of cometary dust near the nucleus […] (PDF)
• PAPER Discovery of a New Retrograde Transneptunian Object […] (PDF)
• PAPER Comet formation in collapsing pebble clouds […] (PDF)
• EXHIBITION Royal Society Summer Science Exhibition – A Comet Revealed

See older entries in Archive