The sun is about ________ km away from the earth. 

The correct answer is 150 million km.

Key Points

• The distance between the sun and the earth is 150.82 million km. 
• The distance is referred to as one astronomical unit-the distance light travels in about eight and a half minutes.
• The distance between the Earth and the Sun varies slightly over the course of the year.
• The sun is the nearest star to earth.
• It is continuously emitting heat and light. It is the main source of heat and light energy for all planets in our solar system.
• In our solar system, the Earth is the only habitable planet.
• The existence of life on Earth is attributed to many ideal factors, including the presence of an atmosphere and water, as well as the appropriate distance from the sun.
• The earth appears bluish-green from outer space as light from the landmass and water bodies gets reflected.

Additional Information

• The Sun
  • The sun is by far the largest object in our solar system. It contains 99.8 percent of the solar system’s mass and is a hot ball of glowing gases.
  • The gravity of the Sun holds the Solar system together keeping everything in its orbit.
  • Planets orbit the sun in oval-shaped paths called ellipses, with the sun slightly off-center of each ellipse. Without the Sun’s energy, there will be no life on earth.
• The Earth
  • The earth is the 3rd nearest planet to the sun, it is the fifth-largest planet.
  • It is slightly flattened at the poles. Hence, its shape is described as a Geoid.
  • The Earth has only one moon.
  • It is known as the Blue Planet.