Solar System Imporant Facts & General Knowledge

List of important facts related to the planets of the solar system: Here is a list of some important facts about the planets of the Solar System. This is very useful for all your exams because some questions are asked in the exam on the basis of this list.

Important facts related to Sun:

• The body which revolves around the Sun is called a planet.
• The distance of a planet from the Sun is called subsolar.
• The surface temperature of the Sun is about 6000°C.
• Hydrogen accounts for 71% of the chemical composition of the Sun.
• Ancient Indians considered Sun as a planet.
• The Sun is a ball of hydrogen and helium gas.
• Energy can be obtained from the Sun for 1011 years.
• The coronal portion of the Sun is visible during a total solar eclipse.
• The radiant surface of the Sun is called the photosphere.
• The diameter of the Sun is about 110 times that of the Earth.
• Diamond ring phenomenon occurs at the time of solar eclipse.
• The central part of the Sun is called the core.

Important facts related to the solar system:

• The famous scientist Nicolaus Copernicus discovered the solar system.
• According to the International Astronomical Union, there are eight planets in our solar system – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
• The largest and heaviest planet in the Solar System is Jupiter.
• Mercury and Venus are the only two planets in the Solar System that do not have satellites.
• The largest volcanoes < strong>Olympus Mons is.
• The first famous scientist Nicolaus Copernicus discovered that the Sun is the center of the Solar System and that the Earth revolves around the Sun.
• There are three dwarf planets in the Solar System - Ceres, Pluto and Eris.
• The ‘Sea of Tranquility’ Sea of Tranquility (Mare Tranquillitatis)  Located only on the Moon.
• In our solar system four planets are called Gas giants Uranus is one of them – the other three are Jupiter, Saturn and Neptune.
• The smallest planet in the Solar System is Mercury.
• The largest satellite in the Solar System is Ganymede 
• The smallest satellite in the Solar System is Deimos (Deimos) .
• The planet Venus is the brightest planet in the Solar System.
• Saturn is the planet with the most satellites in the Solar System.
• The planet Neptune is the coldest planet in the Solar System.
• Sirius is the brightest star in the Solar System.

Important facts related to the planet Mercury:

• The planet Mercury takes 88 days to orbit the Sun.
• The planet Mercury orbits the Sun in the shortest time.
• The planet Mercury (Mercury) is the closest planet to the Sun.

Important facts about Venus:

• The planet Venus is called the sister of the Earth.
• The planet Venus is also known as the 'god of beauty'.
• Venus is the closest planet to Earth
• The planet Venus is also known as the evening star.
• The planet Venus is also known as the Morning Star.

Important facts related to the planet Earth:

• Earth is the only planet in the Solar System that has life on it.
• The Moon is the only satellite of the Earth.
• Earth completes one rotation on its axis in about 365 days, 5 hours, 48 minutes and 45.51 seconds.
• Earth is called the Blue Planet.
• Only about 57 percent of the Moon can be seen from Earth.
• On 21st March and 23rd September, the day and night are equal on the earth. Day and night are equal on 23 September due to the Sun being on the Equator in the Northern Hemisphere.
• One revolution of the Sun by the Earth is called a solar year.
• Earth is farthest from the Sun on July 4.
• Earth is closest to the Sun on January 3.
• Earth rotates on its axis in the direction from west to east.
• Earth's rotation on its axis causes day and night.
• The moon's light takes 1.3 seconds to reach the Earth.
• The average distance between the Earth and the Sun is about 150×107°km.
• Earth is similar to Venus in shape and size.
• If there is an atmosphere between Earth and space, the sky will appear black.
• The moon is also known as the 'son of the earth'.
• Seasons change due to the Earth's rotation around the Sun and the Earth's axial tilt. This tilt varies at different times of the year due to its orbit around the Sun, creating an annual cycle of fluctuations in the duration of day and night. This is the root cause of season change.

Important facts related to Mars:

• Mars appears red at night.
• It is also known as the "Red Planet".
• Like Earth, Mars has the potential for life.
• The planet Mars takes 687 days to orbit the Sun.
• The highest mountain in the Solar System, Olympus Mons is located on Mars.
• The reddish-orange color of the surface of Mars is due to iron oxides (ferric oxides)

Important facts related to the planet Jupiter:

• Great Italian scientist Galileo Galilei discovered the planet Jupiter in 1610.
• The planet Jupiter takes about 12 years to make one revolution around the Sun.
• Jupiter has a giant spot on it. This spot was discovered by the Pioneer program.
• The planet Jupiter is also known as the giant Red Spot Planet.
• Jupiter has no surface, so the base of the atmosphere is generally thought to be at that point.
• Only Galileo has ever orbited Jupiter Galileo was an American spacecraft that explored the planet Jupiter.

Important facts related to the planet Saturn:

• Saturn is the sixth planet from the Sun.
• Saturn is the largest planet in the Solar System after Jupiter.
• Christiaan Huygens discovered Saturn's moon Titan.
• After 2005, scientists discovered lightning on Saturn
• Saturn has at least 62 moons of which 53 have formal names.

Important facts related to Uranus:

• The planet or Uranus is the seventh planet in our solar system. It was discovered by scientist William Herschel on 13 March 1781.
• It is the third largest planet in the Solar System by diameter and the fourth largest by mass.
• Uranus was the first planet to be discovered by telescope.
• Of all the planets in the Solar System, Uranus has been found to have the coldest atmosphere

Important facts related to Varun planet

• The year is longest on the planet Neptune.
• The planet Neptune is the farthest planet from the Sun.
• Varun planet emits green light.
• Varnu's lightblue color comes from methane gas present in its upper atmosphere.
• Neptune has rings like other gas planets. So far its 5 rings have been discovered.
• Triton (satellite) Triton is the largest satellite of Neptune, the eighth planet in the Solar System.

Other important facts

• A body that revolves around a planet is called a satellite.
• In 'Norway' the sun is visible at night.
• Scientist Johannes Kepler discovered the laws of planetary motion.
• There are a total of 89 star systems in space.
• ‘Knicks Olympia Columbus Gala’ is on Mars.
• The Moon is called the fossil planet 
• The moon is a satellite.
• The longest day in the Northern Hemisphere is June 21.
• On August 24, 2006, the International Astronomical Union declassified Pluto as a 'dwarf planet'.
• The Moon takes about 27 days in a time span of 8 hours to complete one orbit around the Earth.
• Moon has the greatest influence on tides.
• The action of the mutual gravitational force of the Earth, the Moon and the Sun is the main reason for the origin of tides.
• The coming of the Earth between the moon and the sun is called a lunar eclipse. Because of this geometrical restriction a lunar eclipse can only occur on a full moon night.
• Solar eclipse is a type of eclipse when the Moon passes between the Earth and the Sun and the Sun is completely or partially covered by the Moon as seen from the Earth.
• The moon is also known as the 'Queen of the Night'.
• The Greek scientist Eratosthenes was the first to measure the radius of the Earth.
• The period of Halley Ghoomketu is 76 years.
• The bodies orbiting the Sun between the planets Mars and Jupiter are called asteroids.
• There can be a maximum of 7 eclipses in a calendar year.
• The planets, in their decreasing order of size, are: Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars and Mercury.
• Sun, Earth and Moon being in a straight line is called Sijigi.
• December 22 is the longest day in the Southern Hemisphere.
• The diameter of the universe is 108 light years.

Now practice related questions and see what you learnt?

☞ Planets of the Solar System GK Questions and Answers 🔗

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