Gravity binds these immense structures together, and it is the gravitational collapse when stars form that creates the pressures needed to initiate thermonuclear fusion reactions, which convert four 1 H nuclei to one 4 He nucleus and release energy. This energy provides an outward force that counters the inward gravitational collapse.
· Gravitational Collapse. Gravitational collapse is the inward fall of an astronomical object due to the influence of its own gravity which tends to draw the object toward its center of mass. Gravitational collapse is at the heart of structure formation in the universe. An initial smooth distribution of matter will eventually collapse and cause a hierarchy of structures, such as clusters of galaxies, Estimated Reading Time: 5 mins.
Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the centre of gravity. Gravitational collapse is a fundamental mechanism for structure formation in the universe. Over time an initial, relatively smooth distribution of matter will collapse to form pockets of higher density, typically creating a hierarchy of condensed Estimated Reading Time: 9 mins.
Gravitational collapse corresponds to the decay of lateral contrast in gravitational potential energy that builds up during lithospheric deformation. When the forces that support this anomaly (i.e., tectonic forces and the strength of both the deformed and surrounding lithosphere) decrease, the gravitational potential anomaly may by:
Definition. Gravitational collapse is the collapse of a region of material under its own gravity, for example, of the dense core of an interstellar cloud on its way to becoming a star. Gravitational collapse occurs when the local self-gravity (i.e., the inward-directed force) exceeds the restoring force, which is often in the form of thermal gas pressure or turbulent stirring.
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