Category: Geomorphology

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Cycle Of Erosion By Penck

Introduction:  German scientist Walther Penck rejected the Davisian model of Geomorphological cycle based on time. He presented his own model of ‘Morphological system’ or ‘Morphological Analysis’ for the explanation of landscape development.      Penck criticised...

Cycle of Erosion by W.M.Davis 0

Cycle of Erosion by W.M.Davis

William Morris Davis was born in 12th February, 1850 at Philadelphia, Pennsylvania, into a prominent Quaker family. He was an American Geomorphologist. He had sound knowledge over geography, geology and meteorology, thus called him...

Tidal Hypothesis of James Jeans 0

Tidal Hypothesis of James Jeans

Sir James Jeans,  a British scientist, propounded  his Tidal hypothesis to explain the origin of the earth in the year 1919, while another British scientist, Harold Jeffreys,  suggested modifications in the Tidal Hypothesis in...

Planetesimal Hypothesis Of Chamberlin & Moulton 0

Planetesimal Hypothesis Of Chamberlin & Moulton

 T.C.Chamberlin, a geologists, in collaboration with Forest  Ray Moulton, an astronomer postulated a new hypothesis called Planetesimal Hypothesis in 1905. It not only explains the origin of the earth, but, also...

Inter Stellar Dust Hypothesis 0

Inter Stellar Dust Hypothesis

 Otto Schmidt,  A Russian scientist proposed his Inter stellar dust hypothesis in 1943, to explain the complex problem of the origin of the earth and the solar system. According to him, the earth and...

Supernova Hypothesis Of Hoyle 0

Supernova Hypothesis Of Hoyle

F.Hoyle, a mathematician of Cambridge University presented his speculative theory known as Supernova Hypothesis in the year 1946. Supernova Hypothesis is based on the principles of ‘Nuclear Physics’ and was described in his essay...

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Binary Star Hypothesis Of Russell

 H.N. Russell, an American astronomer, propounded his Binary Star Hypothesis in the year 1937 to remove the shortcomings of tidal hypothesis of sir James Jeans. Russell opined that there were two stars near...

Nebular Hypothesis Of Laplace 2

Nebular Hypothesis Of Laplace

 French Mathematician Laplace propounded his Nebular Hypothesis in the year 1796. Laplace’s hypothesis is just the modified version of Kant’s hypothesis. Laplace propounded his hypothesis without mathematical formulation. In fact, Laplace postulated...

Gaseous Hypothesis Of The Origin Of The Earth By Kant 0

Gaseous Hypothesis Of The Origin Of The Earth By Kant

 Immanual Kant, the German Philosopher claimed that his Gaseous Hypothesis of the origin of the earth was based on the sound principles of  Newton’s laws of gravitation and rotatory motion. In the beginning...

Some Short Questions Of Interior Of The Earth 0

Some Short Questions Of Interior Of The Earth

 Some Short Questions Of Interior Of The Earth are presented below –             1.  The age of the earth?       Approximately 4.543 billion years. 2. what portion of the...