Select the false statement from the following. (a) Big bang...

Name: Problem 5, Chapter 7: Objective Biology for NEET
Uploaded: 2021-12-11T22:52:19-08:00
Duration: 3 min 2 s
Channel: Asma Venkitta
Description: Select the false statement from the following. (a) Big bang theory is used to explain the origin of the universe. (b) Expansion of the universe after the explosion lead to a decrease in temperature. (c) Hydrogen and helium had formed before the explosion. (d) Gases condensed under gravitation and formed galaxies.

Select the false statement from the following. (a) Big bang theory is used to explain the origin of the universe. (b) Expansion of the universe after the explosion lead to a decrease in temperature. (c) Hydrogen and helium had formed before the explosion. (d) Gases condensed under gravitation and formed galaxies.

Select the false statement from the following.
(a) Big bang theory is used to explain the origin of the universe.
(b) Expansion of the universe after the explosion lead to a decrease in temperature.
(c) Hydrogen and helium had formed before the explosion.
(d) Gases condensed under gravitation and formed galaxies.

Key Concepts

Gravitational Condensation and Galaxy Formation

Gravitational condensation is the process by which matter, under its own gravitational pull, coalesces to form larger structures such as stars, clusters, and galaxies. This mechanism explains how diffuse gas in the expanding universe can eventually condense to form the intricate cosmic structures seen in the current epoch.

Cosmological Nucleosynthesis

Cosmological nucleosynthesis is the process that occurred within the first few minutes after the Big Bang, during which the lightest elements, such as hydrogen and helium, were formed in significant quantities. This process is critical to understanding the primordial elemental abundances observed in the universe today.

Cosmic Expansion

Cosmic expansion refers to the observation that the distances between galaxies are increasing over time, a phenomenon that emerged from the initial conditions of the Big Bang. As the universe expands, the overall temperature decreases, influencing the physical properties and behavior of matter in the universe.

Big Bang Theory

The Big Bang Theory is the prevailing cosmological model that describes the early development of the universe. It asserts that the universe began from an extremely hot and dense initial state and has been expanding and cooling over time. This theory provides the framework for understanding the subsequent formation of matter and cosmic structures.

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