Which one of the following scholars suggested the earth’s origin from gases and dust particles?
✓ Correct answer: d) O. Schmidt
ExplanationOtto Schmidt, a Soviet geophysicist and astronomer, proposed a theory for the origin of the Earth and other planets in the solar system based on a cloud of gas and dust particles.His hypothesis, known as the “dust cloud hypothesis”, sug- gested that the Sun, while already formed, captured or interact- ed with a surrounding cloud of interstellar material.This cloud, composed of gas, dust, and ice particles, began to rotate and flat- ten under the influence of the Sun’s gravity.Within this rotating disk, particles collided and clumped together, gradually forming larger and larger bodies. v v v
Practice more Geography PYQs
Attempt a free 10-question quiz or browse the full Geography previous-year-question bank with instant answers and explanations.
🌍 Geography PYQs →