A star life cycle takes millions of years. Some stars even last for billions of years, which can be older than our universe.
A protostar will live as long as 100,000 years. After material stops falling on the protostar it will enter then T Tauri star phase.
A protostar stage can last anywhere from 100,000 to 10 million years, depending on the mass of the star. This phase represents the early stages of a star's formation before it begins nuclear fusion in its core.
The lifespan of a nebula can vary significantly depending on its type and the processes occurring within it. For instance, a star-forming nebula can last for millions of years as it gradually converts gas and dust into new stars. In contrast, a planetary nebula, which represents the late stages of a star's life, may exist for only a few tens of thousands of years before dissipating. Ultimately, the "death" of a nebula is a gradual process influenced by internal dynamics and external factors, making it difficult to pinpoint an exact timeframe.
A star does not "stay" in a nebula; rather, it forms within a nebula. A nebula is a vast cloud of gas and dust where star formation occurs, and the process can take millions of years. Once a star forms, it will eventually evolve and leave the nebula, transitioning into different stages of its lifecycle, such as a main-sequence star, red giant, or supernova, depending on its mass. Thus, a star is only associated with a nebula during the initial stages of its formation.
It depends on the size of the star forming. For a one solar-mass star it lasts about 1,000,000 years.
A protostar will live as long as 100,000 years. After material stops falling on the protostar it will enter then T Tauri star phase.
A star's first life stage is called a protostar. The formation starts in a region of space with accumulated gas and dust, called a nebula. The attraction of gravity between the atoms of gas and grains of dust causes a small area of this nebula to collapse into a smaller, rotating cloud of dust and gas. More material is then drawn in, and the mass at its core increases and the temperature climbs. If the core gets hot enough, it will begin to glow. That is the protostar.
A protostar stage can last anywhere from 100,000 to 10 million years, depending on the mass of the star. This phase represents the early stages of a star's formation before it begins nuclear fusion in its core.
The Crab Nebula or SN1054 is still visible with telescopes.
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2 years?
Yes, as long as the 15 year old turns 16 before the 17 year old turns 18.
A stellar nebula can exist for millions to billions of years, depending on the size and mass of the nebula. These nebulae are the birthplaces of stars and can last until all the matter within them has been used up in the process of star formation.
The lifespan of a nebula can vary significantly depending on its type and the processes occurring within it. For instance, a star-forming nebula can last for millions of years as it gradually converts gas and dust into new stars. In contrast, a planetary nebula, which represents the late stages of a star's life, may exist for only a few tens of thousands of years before dissipating. Ultimately, the "death" of a nebula is a gradual process influenced by internal dynamics and external factors, making it difficult to pinpoint an exact timeframe.
Before the child turns 18.
A star does not "stay" in a nebula; rather, it forms within a nebula. A nebula is a vast cloud of gas and dust where star formation occurs, and the process can take millions of years. Once a star forms, it will eventually evolve and leave the nebula, transitioning into different stages of its lifecycle, such as a main-sequence star, red giant, or supernova, depending on its mass. Thus, a star is only associated with a nebula during the initial stages of its formation.
The nebula in a galaxy is a dead star, long dead, possibly about to turn into a black hole. actually, its the opposite: nebula is like a cloud of space trash. when the "cloud" gets too big, it explodes. the bigger the explosion, the bigger the new star.