UniverseFor centuries, people have done countless studies. Mesopotamian civilizations, especially the Greeks, Mayas, Incas and Aztecs solar system He has done important work on the Today it is believed that there are eight planets of different size and position in the solar system.

The four planets closest to the sun, Mercury, Venus, Earth and Mars, are often ‘terrestrial planets‘ is called. Planets like Jupiter, Saturn, Uranus and Neptune are ‘big’ compared to terrestrial planets.Jovian planets‘ is called. Let’s all take a closer look at these planets andWhich planet is closest to the sun?Let’s continue our article where we ask questions like ‘.

Which planet is closest to the sun?

Mercury, is the closest planet to the sun in terms of average distances. At a distance of about 58 million km (0.39 AU) from the sun, the planet is still in the solar system. the hottest It’s not a planet. Venus has this title. Mercury, the smallest of the eight planets, radius of 2,440 km has. It is slightly larger than the moon and smaller than Ganymede, one of Jupiter’s moons.

The atmosphere is mainly composed of oxygen, sodium, hydrogen, helium and potassium. It is not known exactly when the planet was first discovered, but it was first observed with telescopes in the 17th century by astronomers Galileo Galilei and Thomas Harriot.

Let’s take a look at the properties of Mercury:

• It is the planet closest to the sun
• It is the smallest planet in the solar system
• Due to the cooling of the iron core, it is getting smaller by the day
• The planet with the most craters in the solar system
• orbits the sun faster than any other planet
• Mercury is named after the Roman god of commerce.
• One day on Mercury is equivalent to 59 days on Earth
• It has no satellites
• There are huge temperature differences between day and night

One of the most interesting planets in the solar system. Mercuryattracts attention with its features. It is not only the planet closest to the sun, but it is also located in the solar system. smallest is the planet. The Romans named it after Mercury, their god of trade and communication, because it seemed to move faster than other planets. A year on Mercury, which rotates much faster than other planets, is only 88 Earth days.

Due to its small size, low gravity and proximity to the sun, it has no moons. Due to its rather weak atmosphere, Mercury’s surface temperature can reach 427 °C during the day, while it can drop to -173 °C at night. The planet continues to shrink very slowly and is about 4 billion years old compared to four billion years ago. 14.48 km smaller is supposed to be. Astronomers believe this is due to the cooling of the iron core.

So which planet is farthest from the sun?

Neptune is the farthest planet from the sun, at about 4.5 billion km. According to NASA data Neptune, more than 17 times the mass of the Earth and about 58 times the volume of the Earth. Galileo Galilei, one of the most important astronomers in history, Neptune He was one of the first people to describe it as a space body, but thought it was a star because of the slow motion.

invisible to the naked eye because of its distance from the sun. Neptuneviewed so far only by the Voyager 2 spacecraft. Neptune approx 4400km Observing from afar, the spacecraft gathered information about Neptune’s magnetic field, atmosphere and several of its moons. He also discovered the growing Great Dark Spot over Neptune.

Ranking of the planets in the solar system in order of their proximity to the sun:

• Mercury
• Venus
• World
• Hymn
• Jupiter
• Saturn
• Uranus
• Neptune

As we mentioned above Mercuryabout 58 million kilometers from the sun The nearest is the planet. This small planet has the thinnest atmosphere of all the planets, because it is very close to the sun. Located at an average distance of 108 million kilometers from the sun Venusis the second closest planet. Earth is the third closest planet to the sun at 149.60 million kilometers.

It has been the subject of many studies in recent years Hymn It is the fourth closest planet at 228 million km. However, being so far from the Goldilock Zone (Have Zone), it is predicted that life cannot develop as it did on Earth. It is the fifth closest planet to the sun at 778 million km. Jupiter, indirectly, it has some protection against asteroids for seven planets, including Earth. Located 1.4 billion km from the sun Saturnis the sixth closest planet. Immediately after, with 2.9 billion km Uranus coming. Located 2.9 billion from the sun NeptuneIt is the farthest and coldest planet in the solar system.

So how are all these measurements done?

‘ to define the average distance between a planet and the sun.Astronomical Unit’ used. This distance is approx 150 million kilometers is approximately equal to 499 light seconds (the distance light travels in a vacuum in 499 seconds). The distance from the Earth to the Sun is 1 EU is accepted as

planets in the solar system distance from the sunIt is constantly changing as it depends on the jobs they follow and their appeal. That is, these distances are determined according to the averages. Today, various techniques and mathematical methods are used to measure these distances.