Answer :
According to solar nebula theory, the first step in planetesimal formation is condensation.
What are planetesimals?
Planetesimals can be defined as the small celestial (astronomical) bodies that comprises a combination of dust, rock and hot gases, which combines to form the planets, especially after the solar system begin to form.
What is a solar system?
A solar system can be defined as a collection of the outer and inner planetary (astronomical) bodies alongside the Moon that are in orbit around the Sun, in slightly elliptical orbits.
The planets in the solar system.
Basically, there are nine (9) planets in the solar system and these include the following;
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Uranus
- Neptune
- Pluto
- Saturn
According to solar nebula theory, we can infer and logically deduce that the first step in planetesimal formation is condensation.
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