Top 10 Interesting facts about our solar system.

Our solar system is one of over 500 known solar systems in the entire milky way galaxy. The solar system came into being about 4.5 billion years ago when a cloud of interstellar gas and dust collapsed, resulting in a solar nebula, a swirling disc of material that collided to form the solar system.

The solar family has eight planets along with the sun - All planets are categorized into two categories—terrestrial planets and gas planets.

Terrestrial planets are -

  1. Mercury
  2. Venus
  3. Earth
  4. Mars

Gas planets are -

  1. Jupiter
  2. Saturn
  3. Uranus
  4. Neptune

 

Sun -

  • The sun is dominant in the solar system because about 99.99%  of the matter of the solar system body is contained in the Sun.
  • The Sun is a star.
  • Sunlight takes 8 minutes 16.6 seconds to reach the Earth.
  • The source of the sun's energy is the nuclear fusion occurring there, in which hydrogen would convert to helium.

Mercury - 

  • Mercury is the nearest planet to the Sun.
  • It rotates in 59 days on its axis.
  • It is the smallest planet, completing the orbits of the sun in 88 days.
  • It revolves around the sun at the fastest speed.
  • It has no satellite.

Venus - 

  • Venus is the nearest planet to the earth.
  • It is the brightest star called the morning star or evening star as it appears in the morning in the East and in the evening in the West.
  • It is called the earth's sister or earth's twin planet.
  • Venus completes the orbiter of the sun in 225 days.
  • It also has no satellite

Earth - 

  • Due to the presence of water, It is also called a blue planet. It is the only planet in the solar system that has life.
  • The Earth revolves around the sun in 365 days 5 hours 48 minutes 40 seconds.
  • Earth's only satellite is the moon.

Moon - Moon is only one satellite of the earth, and Neil Armstrong is the first person who lands on the moon.

Mars - 

  • Mars is also called a Red planet because its surface is red due to iron oxide.
  • Its two satellites are "Phobos" and "Deimos."
  • The largest volcano in the solar system is "Olympus Messi," and the highest peak in the solar system is the " Nix Olympia", which is three times higher than mount Everest.

Jupiter - 

  • It is the most giant planet in the solar system, which orbits the sun in 11 years 315 days 1 hour.
  • It has 67 satellites, Jupiter's " Ganymede" satellite is the largest in the solar system.
  • It is a yellow planet.
  • It rotates fastest on its axis.

Saturn - 

  • Saturn is the second-largest planet in the solar system. It looks like a yellow star in the sky.
  • It completes the orbit of the Sun in 29.5 years. It rotates on its axis in 10.2 hours.
  • The number of Saturn's satellites has now increased to 82. "Titan" is the largest satellite of Saturn.

Uranus -

  • The explorer of Uranus is sir William Herschel.
  • It is the seventh planet from the Sun and the third-largest planet in size in the solar system.
  • Its known satellites are 27. Its largest moon is "Titania."
  • Uranus also revolves East to West like "Venus," while other planets revolve from West to East.

Neptune - 

  • It is the coldest planet in the solar system.
  • Its surface temperature is -193℃.
  • It is located at the most distance from the Earth and  The Sun.
  • It has eight satellites.
  • Its atmosphere consists of 80% of hydrogen and 19% of helium.

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