Solar Radiation, Heat Balance, and Temperature

Spatial distribution of insolation at the surface of earth

Solar Radiation, Heat Balance, and Temperature Solar Radiation Our earth receives almost all its energy from the sun in short wavelengths that are radiated back to space by the earth. As a result, the earth neither warms up nor does it get cooled over a period of time. The amount of heat received by different parts of the earth is not equal, so there are pressure differences in the atmosphere, which leads to the transfer of heat from one region to another by the wind. As the Earth is a geoid…

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The Age of Satavahanas

The age of Satavahanas

The Age of Satavahanas The Age of Satavahanas: According to most modern scholars the age of the Satavahana began in the late second century BCE and lasted until the early third century CE. In the Deccan and in central India, the Satavahanas succeeded the Mauryas although after a gap of 100 years. They were considered to be identical to the Andhras who were mentioned in Puranas, however, the name Andhra does not occur in Satavahana inscriptions. Founder of the Kingdom: The founder of the Satvahana dynasty was Simuka, who was…

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Post-Mauryan India and Central Asian Contacts

Post-Mauryan India

Post-Mauryan India and Central Asian Contacts Post-Mauryan India – time period (200 B.C. to 300 AD) The successors of Asoka were not able to keep the vast Empire intact, after the death of Asoka. The provinces started declaring themselves independent. Kalinga declared itself independent, and further Satavahanas established their independent rule in the south. The foreign invasion also affected the territory of north India. As a result of these conflicts, the Mauryan rule was confined to the Gangetic valley and it was soon replaced by the Sunga dynasty. Sunga Dynasty:…

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