SOLAR SYSTEM

Detailed explanation-1: -Some atoms combine chemically to form a variety of different molecules, but also, atoms and molecules often clump together to form bigger and bigger lumps of matter. This process is called accretion.

Detailed explanation-2: -Through this process, called “accretion, ‘’ these tiny particles formed larger and larger bodies, eventually becoming planetesimals up to a few kilometers across. Some of the planetesimals became so massive that their gravity pulled on other planetesimals, causing more and more collisions.

Detailed explanation-3: -Within the solar nebula, scientists believe that dust and ice particles embedded in the gas moved, occasionally colliding and clumping together. Through this process, called “accretion, ‘’ these microscopic particles formed larger bodies that eventually became planetesimals with sizes up to a few kilometers across.

Detailed explanation-4: -In astrophysics, accretion is the accumulation of particles into a massive object by gravitationally attracting more matter, typically gaseous matter, in an accretion disk. Most astronomical objects, such as galaxies, stars, and planets, are formed by accretion processes.

Detailed explanation-5: -Earth is thought to have accreted from a cloud of particles around the Sun. This gaseous matter condensed into small particles that coalesced to form a protoplanet, which in turn grew by the gravitational attraction of more particulates.