Western Ghats

The Western Ghats or SahyÄdri runs north to south along the western edge of the Deccan Plateau, and separates the plateau from a narrow coastal plain along the Arabian Sea. The range starts near the border of Gujarat and Maharashtra, south of the Tapti River, and runs approximately 1600 km Read more…

Coal Resources in India

Most of the coal mined in India comes from the rock formations of two geological ages viz. Lower Gondwana and Tertiary. About 80 per cent of the coal deposits in India is of bituminous type and is of non-coking grade. This is one of the reasons that India has to Read more…

Key Facts About Mars and Its Moons

Mars is known as the red planet because it looks red from Earth. The reddish color comes from the high concentration of iron oxide compounds—that is, rust—in the rocks of the Martian surface. Some key facts about Mars are as follows: Martian year is of 687 days and Martian day Read more…

Dark Matter and Dark Energy

In 1930s, astronomers noticed that in some galaxy clusters, some of the galaxies were moving extra fast than possible with available matter (and its gravitational force). The question was – Is there any matter which is not visible to us but exerts its gravitation responsible for keeping the galaxies put Read more…

Interesting Facts About Mercury Planet

At 58 million kilometers distance, Mercury is closest planet to Sun.  Due this much proximity, mercury’s orbit is very much stretched into a long elliptical shape. Other important facts about mercury are as follows: Mercury takes 88 Earth days to complete one revolution around sun, however, it takes 59 Earth Read more…

Facts about Uranus

Uranus is the seventh major planet in our solar system, and the third of four gas giant planets. It is 51,200 kilometers in diameter, just under four times the diameter of Earth. Like the other gas giant planets, Uranus consists mostly of gas. Its pale blue-green, cloudy atmosphere is made Read more…

Demographic Transition Theory

The demographic transition theory studies the relationship between economic development and population growth. It discusses about changes in birth rate and death rate and consequently growth rate of population in assonance with the process of growth and development. It is also used to describe and predict the future population of Read more…

Key Facts about Universe

The universe is all of space, time, matter, and energy that exist. Universe is not just space, but space is just the framework or the scaffolding in which the universe exists. As Space and time are intimately connected in a four-dimensional fabric called space-time. Contents Age of Universe Size of Read more…

Planets and Planetary Rings

A planet is an object which is not a star {i.e. no nuclear fusion takes place in it} and that orbits around a star and is mostly round because its own gravitational pull has shaped it into more or less a sphere. As per current scientific classification, the planets must Read more…

Interesting Facts About Stars

A star is a mass of incandescent gas that produces energy at its core by nuclear fusion. Most of the visible light in the universe is produced by stars. The Sun is also a star. Stars shine because nuclear fusion occurs in their core. Nuclear fusion changes lighter elements into Read more…