subject area of
- A HYBRID MODEL OF THE CO2 GEOCHEMICAL CYCLE AND ITS APPLICATION TO LARGE IMPACT EVENTS Journal Article
- A hydrogen-rich early Earth atmosphere Journal Article
- An Evolving View of Saturn's Dynamic Rings Journal Article
- Ancient geodynamics and global-scale hydrology on Mars Journal Article
- Evidence for dust grain growth in young circumstellar disks Journal Article
- FORMATION OF PLANETARY EMBRYOS - EFFECTS OF FRAGMENTATION, LOW RELATIVE VELOCITY, AND INDEPENDENT VARIATION OF ECCENTRICITY AND INCLINATION Conference Proceeding
- Internal structure and early thermal evolution of Mars from Mars Global Surveyor topography and gravity Journal Article
- Mars' volatile and climate history Journal Article
- The biological potential of Mars, the early Earth, and Europa Journal Article