Solar System
The Sun's surroundings are called "Solar System". All the planets revolve around the sun. Each planet has its own specific mode of movement. That path is called "Orbital Path" or "Land path". [ 8 Planets + Satellites + Asteroids + Meteors + Comets is called Solar System ] Nearest star to Sun is "Proxima Centauri" at a distance of 4.33 Lighting years. Sun is the center of Solar System. Solar System moves at a speed of 7,92,000 km per hour around the center of the Milky Way. The Milky Ways closest to the Sun's Milky Way are the Large Megalanic Cloud and the Small Megalanic Cloud. It has 99% mass of the total mass of the solar system. It is said that the solar system originated 5 billion years ago.
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| Solar System |
The Sun
Sun is a self-luminous star. It contains 71% hydrogen, 27% helium and other gases. Fusion of hydrogen to produce helium and heat & light is called biotic fusion. The diameter of Sun is 13,90,600 km. Sun has gravitational force which makes other planets revolve around it. Sun's radius is 109 times greater than Earth's radius. The core of the sun has a temperature of 20 million centigrade. The outer zone of the Sun has a temperature of 6000 C. The period of solar revolution is 27 days. The sun turns from the east to the bird. 600 million tons of hydrogen are converted into helium in 1 second.
Mercury
It is the closest planet to the Sun. It is the smallest planet in the solar system. It is 58 million km from the Sun. It is 40% of the earth. It is the planet with the shortest orbital period in the solar system. It is the planet with the most trenches. Axial rotation 58.7 days, rotation 88 days. Its diameter is 4,827 km. Its temperature is 427 degrees Celsius on the side facing the sun and 185 degrees Celsius on the other side. This planet has one part of extreme heat and other part is given by cold.
* It contains carbon dioxide
* It has no satellites as it has no gravity
* It was photographed by the Mariner-ton spacecraft in 1974-75.
* The MESSENGER spacecraft photographed its surface on January 14, 2008.
Venus
It is the closest planet to Earth. Venus is 107 million km from the Sun. m away. The most luminous planet. It glows from its dust and gas piles. Axial rotation 243 days orbital 225 days. Its axial period is greater than its orbital period. It has no gravity so it has no satellites. Venus is called the twin planet of Earth. Because its size and shape are similar to Earth. The planet is visible from Earth because its atmosphere is made up of sulfuric acid clouds. It revolves opposite to the direction of all planets orbiting the Sun.
Earth
It is the only planet with life. It is said to have originated 4.54 billion years ago. 510.9 million sq. K. m (total field). 149.1 lakh km (land area) (29.2 percent) 361.8 lakh sq. K. m (water content 70.8 percent) average temperature 14 degrees centigrade. Distance from Sun is 149.6 million km. m (1 astronomical unit). Earth's orbital period is 365.25 days. Orbital period 23 hours 56 minutes 4.10 seconds, mass - 1.00, density -5.5 One of the four inner planets of the solar system (Mercury, Venus, Earth, Mars). Its natural satellite is the moon. The proportions of various gases in the atmosphere are nitrogen 78.08%, oxygen 20.95%, argon 0.93%, and Co2 0.038%.
Mars
It is the 4th planet from Sun. The reason why it is called Mars is the name of a Roman deity. It is the 4th inner planet of the 4 inner planets of the solar system. It is 228 million km from the Sun. m away. It is 95.2 percent carbon dioxide, 2.7 percent nitrogen, and 1.6 percent argon. Contains 0.2% oxygen. Its orbital period is 24 hours 6 minutes and its rotation period is 687 days.
Jupiter
It is the 2nd brightest planet in the solar system. It is the largest planet in the solar system. It is a thousand times larger than Earth. It is the fastest moving planet. Its orbital period of 9 hours 50 minutes makes it the planet with the shortest orbital period in the solar system. The rotation is 11.86 years.
Saturn
1,426 million km from the sun. m distance, its orbital period is 10 hours 14 minutes and rotation period is 29.46 years. It is the most beautiful planet in the solar system. It is beautiful because it has bangles. There are mainly 3 types of bangles namely A, B, C and they have more than 10 thousand bangles. These three rings are separate A, B, the central segment is named Castino segment by Franz astronomer Gio Vanni Cassini. It is the second largest planet in the solar system.
Saturn winds at a speed of 1,800 km per hour. It is a gas giant, composed of 96% hydrogen, 3% helium and 0.4% methane. It has 27 satellites (recently 60 satellites have been confirmed).
Uranus
It is the 7th planet from the Sun and the 3rd largest planet. It is 2,868 million km from the Sun. Its orbital period is 16 hours and orbital period is 84 years. It is called a blue planet because it includes Methane. This planet is 83% hydrogen, 15% helium, 2.3% methane. It is known as a rolling planet and has 17 moons [ 27 satellites according to recent research ]
Neptune
Neptune is the 8th planet from the Sun. Being the farthest planet from the sun, it is the coldest. Its orbital period is 164 years and its axial period is 60 days. A gas giant that is 80% hydrogen, 19% helium, and 1.5% methane, hence its blue color.
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