Monthly Archive: August 2017

Gravity Anomalies 0

Gravity Anomalies

Gravity Anomalies involve the comparison of the observed value of gravity with a calculated value. Or in other words a departure of gravity values from those at the theoretical surface of an uniform earth,...

Compensation in Isostasy 0

Compensation in Isostasy

Any loading due to sedimentation, deposition or intrusion of igneous materials, etc. or unloading due to denudation or melting of ice will disturb the balance. Compensation in the form of depression or elevation will...

Concept of Isostasy 0

Concept of Isostasy

The word Isostasy is derived from a Greek word ‘Isostasios’, meaning ‘in equipoise’  or  ‘in balance’. The theory of isostasy states that a great continental mass must be formed of lighter materials than that...

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...