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As a protostar contracts under gravity, its gravitational potential energy is converted into kinetic energy, increasing the speed and temperature of the particles. This increase in kinetic energy results in collisions that generate heat. The protostar continues to contract and heat up until internal pressures and temperatures are enough to initiate nuclear fusion and establish equilibrium between inward gravitational forces and outward radiation pressure.

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1y ago

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How do you explain kaleidoscope?

kaleidoscope is a thing that we cannot explain but we can enjoy it.


How do some stars form in binary systems and can you explain the process?

Some stars form in binary systems when a cloud of gas and dust collapses under gravity, splitting into two separate cores that eventually become stars. These cores orbit each other, forming a binary star system. The process of star formation in binary systems is similar to that of single stars, but with the added complexity of two stars forming in close proximity to each other.


Why does a molecular cloud flatten out as it collapses?

This flattening is a natural consequence of collisions between particles in a spinning cloud. A cloud may start with any size or shape, and different clumps of gas within the cloud may be moving in random directions at random speeds. When the cloud collapses, these different clumps collide and merge, resulting in a flattened rotating disk. Comments: Importantly, the cloud will be spinning slightly, because of random motion effects. As it collapses it will spin faster (conservation of angular momentum). You can then explain what happens it in terms of the "centrifugal effect". This effect is smallest near the axis of rotation of the cloud. So that the cloud will naturally flatten out. A more technical explanation uses the "law of conservation of angular momentum". This shows again the natural tendency to form a disk from a spinning cloud.


What does the nebular hypothises explain?

the formation of the universe


How do you open capri sun explain?

open it

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