How do planets and planetary systems
come into being?

I study critical aspects of star- and planet formation, which cross the boundaries of
astro- and geophysics. To do so, I employ numerical and semi-analytical approaches, like N-body
and fluid dynamic models. Please find an introduction to some of my projects below.

Recent projects

Chondrule formation from planetesimal collisions

Using geochemical constraints from chondritic meteorites and the interior evolution models of planetesimals we resolve a long-standing inconsistency of 'planetary' chondrule formation models. In addition, we derive constraints for the accretion dynamics of the asteroid belt.

Can Planet 9 be an exoplanet intruder?

Using computer simulations of the Solar birth star formation environment we calculate the odds that Planet 9 – if it exists – was captured from outside of the Solar system. Cross-matching the capture probability with enrichment from short-lived radioactive isotopes – as constrained by meteoritic abundances – reveals that these chances are low.