planet earth series

Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and M..

Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and Mars ar..

The earth is a huge sphere. The surface of which is made up of rock, soil and water. It is surrounded by air. The planet earth is only a tiny part of the universe, but it is the home of human beings and many other living things. Animals and plants live almost everywher..

Moon is the natural satellite of the earth. It is our nearest neighbor in space, but it is still about 380,000 kilometers away. Its surface is covered with lots of craters. There is no air and no water on the moon. Days are extremely hot and nights are very cold. As the moon is nearer to ..

The method used in the binary star system can be also used for planet-satellite binary system. This is possible because the planet and the satellite also revolve around a common centre of mass...

The Titius-bode law states that the distances of the planet from the sun follow a certain pattern when expressed in 'astronomical units' (A.U). [One AU is the distance of the Earth from the sun.] The pattern is: 0.7, 1.0, 1.6, ...... Identify the pattern and use it to find the d..

A satellite is a solid heavenly body that revolves round a planet. The moon revolves round the earth, so moon is a satellite of the earth. The inner planets have few moons. Earth has one, and Mars has two tiny satellite..

The first photosynthetic organism probably appeared almost three billion years ago. With the evolution of photosynthesis, however, organisms began to change the face of our planet and, as a consequence, to exert strong influences on each other. Organisms have continued to change the envir..

Celestial bodies revolving around a planet are called satellites. Moon is a natural satellite of the planet Earth. These days, the term satellite is used for manmade satellites, which revolve around the Earth. The closed path of a satellite around the Ea..

Philosophers and scientists from time immemorial have attempted to explain how and where life originated on this planet earth. Today, earth is the only planet where life exists. However, when the earth was formed about 4.8 billion years ago, ..