The leading theory of planetary formation, called core accretion, occurs when grains of dust in the disk collect and grow to ...

Scientist have concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet. The finding ...

or the core accretion model of Marley et al., a few tens of detected planets are sufficient to distinguish how planets form. References We would like to acknowledge Jonathan Fortney, Mark Marley, and ...