Describe the landforms created by wind erosion. [Answer Limit: 250 words] [UKPSC 2016]
The origin of the Earth has been a topic of much debate and speculation among scientists for centuries. Two widely accepted theories that attempt to explain the origin of our planet are the Nebular Hypothesis and the Giant Impact Hypothesis.The solar system is a vast and fascinating place, with eachRead more
The origin of the Earth has been a topic of much debate and speculation among scientists for centuries. Two widely accepted theories that attempt to explain the origin of our planet are the Nebular Hypothesis and the Giant Impact Hypothesis.The solar system is a vast and fascinating place, with each planet having its own unique characteristics. Earth, our home planet, is a special place that supports a wide range of life forms and ecosystems.
Nebular Hypothesis
Proposed By: Immanuel Kant (1755) and further developed by Pierre-Simon Laplace (1796).
Main Idea:
The Solar System formed from a large, rotating cloud of gas and dust called the solar nebula.
The nebula collapsed under gravity, causing it to spin faster and flatten into a disk.
The Sun formed at the center, and planetesimals coalesced from material in the disk to form planets.
Key Features:
Explains the orderly rotation and revolution of planets.
Accounts for the compositional differences between inner (terrestrial) and outer (gas giants) planets.
Criticism:
Fails to explain the observed angular momentum distribution in the Solar System.
Planetesimal Hypothesis
Proposed By: Thomas C. Chamberlin and Forest R. Moulton (1904).
Main Idea:
Planets formed from small, solid particles called planetesimals.
A nearby star’s gravitational pull caused material from the Sun to condense into planetesimals.
These planetesimals collided and coalesced to form planets.
Key Features:
Emphasizes the role of gravitational attraction and collision in planetary formation.
Supported by evidence of asteroid and meteorite composition.
Criticism:
Relies on a nearby stellar encounter, which is statistically improbable.
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The actions of the wind can better seen in the desert areas.It acts as an agent of wind erosion which forms different landforms Landforms found till now are listed below:- Coastal landforms:- It is mainly formed on coastal areas due to the high velocity pressure of the wind waves.It is also known asRead more
The actions of the wind can better seen in the desert areas.It acts as an agent of wind erosion which forms different landforms
Landforms found till now are listed below:-