• Request a call back
    • Book a demo
  • Classroom Courses
    • NEET
      • Class 11th
      • Class 12th
      • Class 12th Plus
    • JEE
      • Class 11th
      • Class 12th
      • Class 12th Plus
    • Class 6-10
      • Class 6th
      • Class 7th
      • Class 8th
      • Class 9th
      • Class 10th
    • View All Options
      • Online Courses
      • Distance Learning
      • International Olympiad
    • NEET
      • Class 11th
      • Class 12th
      • Class 12th Plus
    • JEE (Main+Advanced)
      • Class 11th
      • Class 12th
      • Class 12th Plus
    • JEE Main
      • Class 11th
      • Class 12th
      • Class 12th Plus
    • Class 6-10
      • Class 6th
      • Class 7th
      • Class 8th
      • Class 9th
      • Class 10th
    • NEET
      • 2025
      • 2024
      • 2023
      • 2022
    • JEE
      • 2026
      • 2025
      • 2024
      • 2023
      • 2022
    • Class 6-10
    • JEE Main
      • Previous Year Papers
      • Sample Papers
      • Mock Test
      • Result
      • Analysis
      • Syllabus
      • Exam Date
      • Percentile Predictor
      • Answer Key
      • Counselling
      • Eligibility
      • Exam Pattern
      • JEE Maths
      • JEE Chemistry
      • JEE Physics
    • JEE Advanced
      • Previous Year Papers
      • Sample Papers
      • Mock Test
      • Result
      • Analysis
      • Syllabus
      • Exam Date
      • Answer Key
      • Eligibility
      • Exam Pattern
      • Rank Predictor
    • NEET
      • Previous Year Papers
      • Sample Papers
      • Mock Test
      • Result
      • Analysis
      • Syllabus
      • Exam Date
      • College Predictor
      • Answer Key
      • Rank Predictor
      • Counselling
      • Eligibility
      • Exam Pattern
      • Biology
    • NCERT Solutions
      • Class 6
      • Class 7
      • Class 8
      • Class 9
      • Class 10
      • Class 11
      • Class 12
      • Textbooks
    • CBSE
      • Class 12
      • Class 11
      • Class 10
      • Class 9
      • Class 8
      • Class 7
      • Class 6
      • Subjects
      • Syllabus
      • Notes
      • Sample Papers
      • Question Papers
    • ICSE
      • Class 10
      • Class 9
      • Class 8
      • Class 7
      • Class 6
    • State Board
      • Bihar
      • Karnataka
      • Madhya Pradesh
      • Maharashtra
      • Tamilnadu
      • West Bengal
      • Uttar Pradesh
    • Olympiad
      • Maths
      • Science
      • English
      • Social Science
      • NSO
      • IMO
      • NMTC
  • NEW
    • ASAT
    • AIOT
    • TALLENTEX
  • ALLEN E-Store
    • ALLEN for Schools
    • About ALLEN
    • Blogs
    • News
    • Careers
Home
Science
Solar System

Solar System

The solar system is our cosmic home. It is a structured assembly with members including the Sun, eight planets, their moons, and smaller bodies. Each of these planetary objects is governed by the gravitational law. For centuries, humans have been fascinated to learn what the solar system is and how the celestial bodies interact with each other. Thanks to the advancements in technology and space missions, we now hold more information about the solar system, which is helping us learn our place in the cosmos.

In this article, we will take a look at the solar system, its structure, composition, and more. Let’s dive in!

1.0Components of the Solar System

So, what does the solar system consist of? The solar system includes:

Component

Description

Sun

As the central star of our solar system, it provides light and heat

Planets

There are eight major planets; a few of them are terrestrial, while the others are gas giants.

Moons

Moons are satellites orbiting planets like Earth, Jupiter, etc.

Asteroids

Asteroids are rocky objects that are mostly between Mars and Jupiter, in the Asteroid belt

Comets

Comets are icy bodies that, when getting near the sun, develop tails.

Meteoroids

Meteoroids are small metallic or rocky fragments. As soon as they enter the Earth’s atmosphere, they burn up as meteors.

Kuiper Belt 

This is a circumstellar disc with comets, asteroids, and other icy objects. 


Each of these components plays a crucial role in the workings of the solar system. For instance, an asteroid gives us information about planetary formation, moons offer insights into planetary evolution, and comets are the ones that have brought us water and organic molecules.

2.0Structure and Features

Let us break down the structure of the solar system:

  1. The Sun

The sun accounts for 99.8% of the solar system’s total mass. The fusion reactions inside the sun transform hydrogen into helium, which results in the release of enormous energy. This provides energy for life on Earth.

  1. Inner Planets (Terrestrial)

Mercury, Venus, Earth, and Mars are the terrestrial planets. These are small, rocky, and have solid surfaces. Mercury and Mars also have thin atmospheres.

  1. Outer Planets (Gas and Ice Giants)

Jupiter and Saturn are the gas giants, whereas Uranus and Neptune are ice giants. They are big in size, and they are mostly made of hydrogen and helium. All of them have dozens of moons and are surrounded by ring systems.

  1. Asteroid Belt

The asteroid belt can be found between Mars and Jupiter. These are the rocky remnants from the early solar system formation.

  1. Kuiper Belt 

The Kuiper belt is a disk-shaped region found beyond Neptune. 

Through these structures, we now know the essential solar system of information that has helped us explore how the planets formed and evolved.

3.0Difference Between Planets, Dwarf Planets, and Moons

Based on their size, shape, and orbit, the solar system has a variety of celestial bodies:

Feature

Planet

Dwarf Planet

Moon

Definition

Orbits the sun and has cleared its orbit

Orbits the sun, spherical, does not have a cleared orbit

Orbits a planet, not the sun

Examples

Earth, Mars, Jupiter

Pluto, Ceres, Eris

Earth’s Moon, Europa, Titan

Atmosphere

Present on Earth, Venus, and Mars

Thin or none

Varies; Moon barely has an atmosphere, whereas Titan has a thick one.

Role in system

The major bodies shape the orbits and balance

Minor bodies that preserve the history of formation

Give insights into the host planets


Through this classification, we can get the answer to the question: what does the solar system consist of in terms of scientific importance, history, and variety?

4.0Functions of the Solar System in Supporting Life

The solar system information we have right now is not just about naming the planets, but also about understanding why Earth can support life:

  • Energy supply - Through the sun, we get light and warmth, which are needed for life and photosynthesis.
  • Orbital stability - The Earth is stable enough to support life because of the gravitational balance, which prevents chaos.
  • Water and Organics - Asteroids and comets have brought organic molecules and water to Earth.
  • Protective barriers - Gas giants like Jupiter shield Earth by deflecting asteroids and comets. 

Without these planetary bodies doing their function, life as we know it would not exist. 

5.0Structure of the Solar System Bodies

Every planetary body in the solar system has a unique structure:

  • Terrestrial Planets: These are solid and have a mantle and core (like Earth).
  • Gas giants: These are planets with thick atmospheres, rocky/icy cores, and liquid hydrogen layers.
  • Moons: Moons are of different types and sizes. For instance, Titan has methane lakes, while Europa has an ice shell with a possible ocean beneath.
  • Comets: Comets have a nucleus of ice/dust, a coma, and a tail when they get close to the sun.

This diversity is crucial to learn about solar system research and offers information about planetary evolution.

Table of Contents


  • 1.0Components of the Solar System
  • 2.0Structure and Features
  • 3.0Difference Between Planets, Dwarf Planets, and Moons
  • 4.0Functions of the Solar System in Supporting Life
  • 5.0Structure of the Solar System Bodies

Frequently Asked Questions

The solar system is the Sun and other celestial objects bound to it by gravity. These celestial objects include planets, comets, asteroids, and more.

Other than the planets, the other objects found in the solar system are the Sun, moons, meteoroids, comets, asteroids, and far-off regions like the Kuiper Belt.

Earth is a special planet because it is suitable for life. It has water, a stable climate, and a protective atmosphere.

Scientific evidence suggests that the solar system was formed around 4.6 billion years ago.

It is important to study the solar system to understand planetary formation, the Earth’s place in the universe and the possibility of life.

Join ALLEN!

(Session 2026 - 27)


Choose class
Choose your goal
Preferred Mode
Choose State
  • About
    • About us
    • Blog
    • News
    • MyExam EduBlogs
    • Privacy policy
    • Public notice
    • Careers
    • Dhoni Inspires NEET Aspirants
    • Dhoni Inspires JEE Aspirants
  • Help & Support
    • Refund policy
    • Transfer policy
    • Terms & Conditions
    • Contact us
  • Popular goals
    • NEET Coaching
    • JEE Coaching
    • 6th to 10th
  • Courses
    • Classroom Courses
    • Online Courses
    • Distance Learning
    • Online Test Series
    • International Olympiads Online Course
    • NEET Test Series
    • JEE Test Series
    • JEE Main Test Series
  • Centers
    • Kota
    • Bangalore
    • Indore
    • Delhi
    • More centres
  • Exam information
    • JEE Main
    • JEE Advanced
    • NEET UG
    • CBSE
    • NIOS
    • NCERT Solutions
    • Olympiad
    • NEET Previous Year Papers
    • NEET Sample Papers
    • JEE Main 2026 Percentile Predictor
    • JEE Main 2026 Session 1 Solutions
    • JEE Main Answer Key 2026 Session 1
    • JEE Mains Mock Test
    • 2026 Class 10 Solved Question Papers

ALLEN Career Institute Pvt. Ltd. © All Rights Reserved.

ISO