activity
20242026
collaborators

5 papers

astro-ph.EP2026

Can giant impacts be directly detected in other star systems?

Pavan Tanna, Simon Lock, Amy Bonsor +2

Giant impacts, collisions between planet-sized bodies, play an important role in planet and moon formation. As we enter a new era of large-scale surveys, such as \textit{Gaia} and…

astro-ph.EP2026

Thermal and rotational effects of giant impacts during terrestrial planet accretion

Adriana N. Postema, Simon J. Lock, Sarah T. Stewart

Terrestrial planets likely experienced one or more giant impacts during their formation that inflicted large thermal, chemical, and rotational perturbations. The early states of te…

astro-ph.EP2025

Asteroids fail to retain cometary impact signatures

Sarah Joiret, Guillaume Avice, Ludovic Ferrière +4

A bombardment of comets is thought to have occurred in the inner solar system as a result of a dynamical instability among the giant planets after gas disk dispersal. Vesta, the se…

astro-ph.EP2025

Atmospheric loss during giant impacts: mechanisms and scaling of near- and far-field loss

Matthew J. Roche, Simon J. Lock, Jingyao Dou +3

The primary epoch of planetary accretion concludes with giant impacts - highly energetic collisions between proto-planets that can play a key role in shaping a planet's inventory o…

astro-ph.EP2024

Exploring the catastrophic regime: thermodynamics and disintegration in head-on planetary collisions

Jingyao Dou, Philip J Carter, Simon Lock +1

Head-on giant impacts (collisions between planet-size bodies) are frequently used to study the planet formation process as they present an extreme configuration where the two colli…