Year: 2023

Age of the Earth The age of the Earth as determined by the current method of radiometric dating is about 4600 million years. Before the discovery of radiometric dating, several attempts were made to determine the age of the Earth. The important ones are as follows. From the discovery of organic evolution From the rate of sedimentation From the salinity of seawater From the rate of cooling From the history […]

The Earth came into being around 4.54 billion years ago. In general, the theories about the origin of the Earth and Solar System can be divided into two groups: (i) evolutionary theories, and (ii) catastrophic theories. The earlier theories include mainly the evolutionary. The evolutionary theories regarding the origin and evolution of Earth are the Nebular Hypothesis, the Revised Nebular Hypothesis as well as Binary Star Theories of origin of […]

Solar System Solar System and Planets of the Solar System are of greater importance in science studies. The Earth on which we live, and the only known abode of living creatures is a planet, which is a member of the Solar System. Eight planets and the Sun are the main bodies of the Solar System. All these planets revolve around the Sun in their fixed orbits. Their motion is balanced […]

What is Geography? Geography is a fundamental branch of Earth Science, that deals with the study of physical features, natural processes of Earth, population, environment, and relationships among people. Geography is a multidisciplinary field that connects elements of the natural sciences, social sciences, and humanities to understand the Earth’s landscapes, environments, and the processes that shape them. We can further divide it into two main branches: Physical Geography: The Earth’s […]