A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...

It presents the evolution of the solar system through the lens of the planetesimal hypothesis, a theory suggesting that planets formed from small celestial bodies accumulating over time.

These meteorites were possibly the remains of early "unmelted asteroids"—a type of planetesimal. These small rocky planets are solid objects made of rock and ice that are the building blocks of ...

pyrdragdisk is a Python package designed to model circumstellar debris/dust disks that are generated by the Poynting-Robertson (PR) drag effect transporting material inward from an outer planetesimal ...

Exoplanets are the celestial bodies orbiting stars other than our Sun. Their small size makes them difficult to detect from Earth, particularly as they appear much dimmer than their parent stars ...