Which planet is called Earth's Twin?

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Venus is called Earth’s twin because Venus and Earth have a very similar composition, are almost the same size, and approximately have about the same mass.


  • On some occasions, planet Venus will be visible to the naked human eye even when there is daylight.
  • After the moon, Venus is the brightest natural object in the Earth’s night sky.
  • Planet Venus is named after Roman goddess of beauty and love.
  • Only 2 planets in the solar system do not have a moon, they are Venus and Mercury.
  • Venus takes the longest time to rotate around its axis, it is the longest in the solar system when compared to all other planets.
  • Orbital period of planet Venus around the sun is 224.7 Earth days.
  • Planet venus rotates in the opposite direction, hence the sun rises in the West and sets in the East. The opposite rotation is a distinction it shares with only one other planet i.e. Uranus.
  • Venus is one of the 4 terrestrial planets, and it has the densest atmosphere. Carbon dioxide constitutes more than 96%.
  • Planet Venus has the hottest planet in the solar system.
  • The atmospheric pressure at the surface of planet Venus is approximately 92 times the sea level pressure of Earth.


  • Around 70% of the Earth’s surface is covered with water.
  • Around 78% of the Earth’s atmosphere is made up of nitrogen and approximately 21% of the earth’s atmosphere is made up of oxygen.
  • The other gases in the Earth’s atmosphere are Argon, Carbon Dioxide, Neon, Helium, Methane, Krypton, Hydrogen.
  • The Moon is the only natural satellite of Earth.
  • Out of the 4 rocky planets in the solar system, earth is the largest of these planets.
  • The densest planet in the solar system is the Earth.
  • The Earth was formed over 4.5 billion years ago.
  • The Earth is flat at the poles and bulged at the equator, it is nearly spherical in shape.

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