09 November 2018
Leftover gas from the Sun's birth created Earth's water
...when the Earth was a small ball of rubble cobbled together by bits of rock sticking together – a stage known as a planetary embryo – eventually grew large enough so that when it collided with another object of substantial size, the collision produced...
13 January 2020
New study shows a split Solar System that kickstarted growth of Jupiter
... planet (a planetesimal) is left. These huge boulders then combine under the force of gravity to form protoplanets – a large planetary embryo that through further collisions can then coalesce to make a planet or the rocky core of a planet if it then...
