early solar system

• protoplanetaryPreceding planetary formation
• nebulaInterstellar gas formation
• accretionGrowth through external addition
• planetesimalsSmall accreting celestial objects
• bombardmentSustained projectile assault

dust · gas · collision · asteroids · comets · debris · formation · condensation · gravity · swirling · molten · cooling · cratering · meteorites · iron · nickel · volatiles · orbits