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A star is born when a nebula, a vast cloud of gas and dust in space, undergoes gravitational collapse. As the nebula contracts, the material within it becomes denser, leading to increased temperatures and pressure at its core. Once the conditions are right, nuclear fusion ignites, marking the birth of a new star. This process illustrates the life cycle of stars, where stellar formation begins from the remnants of previous stars.

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2mo ago

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Can a star be born whenever a nebula expands?

No. Stars are born when nebulae collapse, not when they expand.


What is produced when the outer parts of a star explodes after the core collapses?

The explosion (a supernova) produces a glowing cloud of gas (called a nebula) that slowly expands and dissipates (eg the crab nebula).


What stars atmosphere expands a million times?

The star's atmosphere that expands a million times is called the planetary nebula. It is able to expand between 200 to 800 times the radius of the sun.


Is a nebula a star?

a nebula is cloud of particles which forms into a star.


What is after a nebula in a star life?

A nebula may condense and ignite to become a star, conversely a star may explode and form a nebula.


When a low-mass star nears the end of its life it ejects shells of gas into space forming?

When a low-mass star nears the end of its life, it forms a planetary nebula by ejecting shells of gas into space. This is a result of the star shedding its outer layers as it transitions into a white dwarf. The ejected gas expands and glows, creating the beautiful nebula structures we observe in space.


What is cloud of dust and gas where star is born?

A cloud of dust and gas where a star is born is called a stellar nursery or a nebula. These clouds are made up of materials like hydrogen and helium that gradually collapse under gravity to form new stars. Examples include the Orion Nebula and the Eagle Nebula.


How a star becames a white dwarf?

A white dwarf is the core of a dead star. As the star runs out of fuel, it expands into a red giant, as the shell of the red giant became a planetary nebula, and the core shrinks and became a white dwarf.


What is the first stage of a star creation?

A star is "born" in a large cloud of dust and gas called a nebula


What do you call a cloud of dust particles where a star is born?

It is called a Nebula (nebulae for plural). no sorry but your wrong it is a coma It can be both it just depends. The question needs to be more specific


When a nebula what is a nebula?

A White Dwarf Star remains.


How does the life cycle of a star differ between one that is born from a large nebula as opposed to one born in a very large nebula?

None at all/ The life cycle of a star is based on it's initial mass, not where it was formed.