4. What is a Star Forming Region? *
O where huge gas clouds collapse under gravity to form new planets
O where huge planets collapse under gravity to form black holes
O where huge gas clouds collapse under gravity to form new stars
O where huge gas clouds collapse under Supernovas to form new stars
O where huge gas clouds collapse under gravity to form new stars
A Star Forming Region is a region in space where huge gas clouds collapse under gravity to form new stars.
A Star Forming Region is a region in space where large clouds of gas and dust collapse under the force of gravity to form new stars. The correct answer is: "O where huge gas clouds collapse under gravity to form new stars." To understand this concept, we can break down the explanation into the following steps:
1. Gas clouds: In space, there are vast clouds composed primarily of molecular hydrogen and dust. These clouds are called molecular clouds or giant molecular clouds. These clouds provide the raw materials for star formation.
2. Gravity: Gravity is the force that attracts objects towards each other. In a star forming region, the mass of the gas cloud creates a gravitational pull inward. As the cloud collapses, it begins to spin and become denser.
3. Collapse: Under the influence of gravity, the gas cloud continues to collapse inward. As it collapses, the cloud fragments into smaller pockets of gas. These fragments are often referred to as condensations or protostellar cores.
4. Protostars: Within these dense pockets of gas, the pressure and temperature increase as the cloud continues to collapse. Eventually, the core becomes hot and dense enough to ignite nuclear fusion. At this stage, it is considered a protostar.
5. New stars: The protostar continues to gather more matter from its surrounding gas cloud, growing in size and luminosity. Eventually, the core becomes stable and reaches a state of equilibrium, where the outward pressure from nuclear fusion balances the inward pull of gravity. At this point, a new star is born.
Hence, a star forming region is where huge gas clouds collapse under the force of gravity to form new stars.