Earth and it's Climate

The Sun: Star Sun: The Ultimate Source of Energy What is Sun? The Sun is the only star in our solar system. It is at the centre of our solar system, around which all planets, drawf planets, asteroids revolve.The solar system and the sun was formed around 4.5 - 4.6 billion years ago. The sun is the main source of energy in our solar system (8 planets including the earth) it creates light photons which are basically like capsules of light and heat. Its diameter is 1.39 billion kms. It is so huge that one can fit 109 earth size planets inside it and its mass is 330000 times that of the earth. It mainly consists of Hydrogen and helium (73% and 25% respectively), with minor amounts of oxygen, carbon, neon and iron. It accounts for about 99.86% of the total mass of the solar system. How was it formed? The journey of the Sun started from the giant rotating nebular cloud (mixture of gases mostly Hydrogen and helium), in the past suddenly due to the shock wave from the near by ...

Earth : The Dynamic Planet  Sun kissed country side Hi... I am a geologist by profession, I am starting this blog to provide a window into the amazing life of our planet THE EARTH. Being a geologist by profession, the landscape around me have always fascinated me. The lofty mountains covered with snow through out the year, large rivers (so large that you can not see across them) check out the width of Brahmaputra river in India, huge expanse of desert where the daily temperature range varies up to 50 degree Celsius and the unending ocean which we observe while standing on the shore.  Have you ever thought why our environment is continuously changing!! And if you observe carefully, there is a certain pattern in these changes. Like the day is hotter than the night, why it always snows in the hills even though it is closer to the sun. Why rivers always flow from the mountains to the sea, why do we have natural water springs, how in the world an oa...