During the solstice the periods of light and dark are equal?

When ash and dust begin to settle on the ground, they eventually become compacted by

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?