Getting to Know the Solar System: Definition, Arrangement and Explanation


The solar system is a set of celestial bodies made up of stars and different types of planets. Learn more here.

This universe is very vast, not just that which is accessible to the eyes like the surface of the earth.

The reason is that there are still many kinds of celestial objects in outer space that you may not have seen before.

The different celestial bodies are arranged in a collection of solar systems of various space celestial bodies and other planets.

What do you need to know about the solar system? Watch the discussion together!

understand the solar system

What do we mean by solar system? In fact, the solar system is a collection of celestial bodies made up of the Sun and all the bodies that revolve around it.

The collection of planets and celestial bodies is known with elliptical orbits, five dwarf planets and 173 natural satellites that have been identified.

Gravity in the space system causes objects to move around the Sun which orbits directly or indirectly around it.

The solar system consists of eight planets, dozens of satellites, millions of asteroids, comets and meteoroids that orbit the Milky Way at a speed of 828,000 km/h.

To complete an orbit, the collection of planets and celestial bodies takes 230 million light-years around the galactic center.

Structure of the solar system and its explanation

You can find the full arrangement, along with explanations of the Sun, inner and outer planets, below:

1. listen


The Sun is the center of a 4.5 billion year old solar system of hot, incandescent hydrogen and helium 150 million kilometers from Earth.

As the largest object, it has a diameter of about 1.4 million kilometers, or 109 times the size of Earth, with the hottest part reaching 15 million degrees Celsius.

2. Planets of the inner solar system

round earth



With an orbital time of 88 days, Mercury is the closest planet to the Sun with warmer air levels than Earth.

b venus

After Mercury, the next inner planet closest to the Sun is Venus, which has an airy atmosphere and is constantly cloudy.

Venus is the hottest planet with an air temperature of 460°C, with a period of 225 days around the Sun.

sea ​​land

This place where humans live is made of rock and is the only planet where water is liquid. It takes 365 days for the Earth to orbit the Sun.


Due to the size of the solar system being smaller than Earth, this place had one of the reddish atmospheres.

For one orbit, Mars takes 687 days to reach the Sun with a temperature of -63 Celsius.

3. Planets of the outer solar system

planet neptune


A Jupiter

The largest planet in the solar system is 1,321 times larger than Earth and is known as a gas giant.

Jupiter is five times farther from the Sun and takes 12 years to orbit the Sun.

b sitting

Saturn is famous for its rings and is the second largest planet in the solar system as a gas giant like Jupiter.

The planet takes 29.5 years to complete one revolution around the Sun.

vs. Uranus

Uranus is a gas giant that can accommodate 63 Earth-sized planets inside Uranus with an average temperature of -220°C. It takes 84 years for the planet to orbit the Sun.

Mr Neptune

Neptune is the farthest planet from the Sun with a distance of 30 times that of Earth which takes up to 165 years.

The planet is the last of the four gas giants, measuring 58 times the volume of Earth.

4. Comet

Comets are objects of ice, dust and rock that travel through space and leave behind a tail of ice and dust 25 miles in diameter.

This star revolves around the Sun in an elliptical, parabolic or hyperbolic orbit.

5. Meteorite

meteorites on planets


These small metallic rocky bodies in space are smaller than asteroids and range in size from tiny grains up to a meter wide.

It is classified as micrometroid or spatial DBU. Meteorites have the appearance of descending trajectories in the Earth’s atmosphere.

6. Asteroids

The object is composed of igneous rocks and metallic minerals between the orbits of Mars and Jupiter, which would have resulted from a faulty formation affected by Jupiter’s gravity.

7. Satellite

Natural and artificial satellites in a satellite network have an orbit on a particular planet. The natural satellite is the Moon which orbits the Earth, and the artificial version is a telecommunications satellite for the public.

These are important things you need to know about the solar system and its structure, hope this is helpful for you,

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