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Why the planetesimals beyond the frost line were initially able to grow larger than those inside the frost line?
Temperature was low enough for metals, and particles to form.
Are stars smaller than planetesimals?
No. Stars are many times larger than planetesimals.
What is it called when the biggest planetesimals grow the fastest and the smaller ones get destroyed?
The process by which the larger planetesimals grow even larger, while the smaller ones are destroyed, might be called planetary accretion.
What are planetesimals and protoplanets and how are related to one another?
Planetesimals are small solid objects that form in the protoplanetary disk around a young star, while protoplanets are larger bodies that develop from the accumulation and collision of planetesimals. Planetesimals are the building blocks that come together to form protoplanets, and eventually, planets. So, planetesimals are like the "seeds" that grow into protoplanets.
What effect do collisions among planetesimals of greatly varying size have on the formation of planets?
Collisions among planetesimals of greatly varying size can lead to a process called accretion, where smaller planetesimals combine to form larger bodies. This can be a critical step in the formation of planets, as larger bodies have stronger gravitational pull and can continue to grow through further collisions. However, collisions with very large planetesimals could disrupt the growing planetesimal or lead to fragmentation, affecting the final size and composition of the resulting planets.
What is the difference between protoplanets and planetesimals?
Protoplanets are larger bodies in the process of forming into planets, usually by accreting material from a protoplanetary disk. Planetesimals are small celestial bodies that are precursors to planets, often ranging in size from meters to hundreds of kilometers and are believed to be building blocks for planets. Essentially, protoplanets are further along in the planet formation process compared to planetesimals.
What does planetismals mean?
Planetesimals are small celestial bodies that formed from dust and gas in the early solar system. They are thought to be building blocks for planets and other larger bodies in our solar system. Planetesimals can range in size from a few meters to hundreds of kilometers in diameter.
What are the small bodies made of rock and ice that became the building blocks for planets called?
They are called planetesimals. These small bodies collided and merged to form larger bodies like planets and moons during the early stages of the solar system's formation.
What causes planetesimals to stay together forming planets when they collide?
Planetesimals stick together due to gravitational attraction and potentially other forces, such as electrostatic forces or chemical bonds. When two planetesimals collide with enough energy, they can merge and form larger bodies, eventually leading to the formation of planets. The exact mechanisms depend on factors like the size, composition, and relative velocities of the colliding bodies.
Which process is necessary for the formation of a planet?
Planet formation occurs through the process of accretion, where dust and gas in a protoplanetary disk clump together to form planetesimals, and eventually planets. Gravity plays a crucial role in this process, pulling material together to form larger and larger bodies. Over time, these planetesimals collide and merge, forming planets.
What are plantesimals?
Planetesimals are small, solid objects that formed in the early solar system out of dust and gas. They eventually collided and grew larger to become protoplanets, which further developed into the planets we know today. Planetesimals played a crucial role in the formation of our solar system.
What are planetsimals and how do they form?
Planetesimals, sometimes incorrectly referred to as planetsimals, are thought to form from cosmic dust grains. The dust grains collide with each other and stick to form a larger mass.
