earth

• earth is a rocky,terrestrial planet. it has a solid active surface with mountains, valleys,canyons, plains and so much more. earth is special because it is the only planet that supports life and has a supply of water and produces oxygen to people around.
• the solar system consists of eight planets orbiting the sun. they are mercury, venus, mars, jupiter, saturn, uranus, neptune and earth
• the sun is a star which provides light and heat to all planets including earth
• the moon orbits earth every 27 days
• mercury is the closest planet from the sun. its atmosphere is very thin and contains mostly gases like helium and hydrogen. it's also known as the smallest planet in our solar system
• venus is the second closest planet from the sun. it's often called the morning star or evening star. it's also known as the hottest planet in our solar system
• mars is the fourth closest planet from the sun. it's also known as the red planet due to its reddish color. it's also the most explored planet by humans
• a comet is an object made up of ice, dust and gas. when it gets close to the sun, the ice melts and forms a tail pointing away from the sun
• mercury is the closest planet from the sun. its day lasts about 176 days but its year lasts about 88 days