SOLAR SYSTEM

Detailed explanation-1: -Asteroids are small planetesimals or fragments of planetismals shattered by random impacts in the chaotic early days of the solar system.

Detailed explanation-2: -Definition of planetesimal While the name is always applied to small bodies during the process of planet formation, some scientists also use the term planetesimal as a general term to refer to many small Solar System bodies – such as asteroids and comets – which are left over from the formation process.

Detailed explanation-3: -The first stage, described above, is known as accretion, or the formation of a planet from the existing particles within the solar system as they collided with each other to form larger and larger bodies. Scientists believe the next stage involved the collision of a protoplanet with a very young planet Earth.