Depending on the size of the molecule cloud, several Protostars can form into one cloud. The 5th stage. Stars are born in great galactic “nurseries” called nebulae, a Latin word that means cloud. According to NASA, A black hole is a place in space where the force of gravity becomes infinity, that even light can not escape from it. Stars die in explosions called supernova. Tamara Moffett is a freelance copywriter with a bachelor's degree in English and over seven years of experience. The Sun will be a red giant for only about 500 million years. As the red giant’s core continues to collapse under the force of gravity, it will become dense enough to convert its remaining supply of helium into carbon. Required fields are marked *. A larger star with more mass will go on making nuclear reactions, getting hotter and expanding until it explodes as a supernova. Her work has appeared online and in the pages of publications like "Green Business Quarterly," "Black Ink Magazine" and the "Daily Journal of Commerce.". Bryan Roberts began his love affair with comedy in 2003 as a writer and performer for Austin's No Shame Theatre. A star is also born, changes, and then dies. The Sun emits dangerous radiation. When all the nuclear reactions are over, a small star like the Sun may begin to contract under the pull of gravity.
Once helium fusion ends, the core shrinks, and the star begins fusing carbon. Stars smaller than the sun don't have enough mass to burn with anything but a red glow during their main sequence. Our star (the Sun) is dying which is shown in the above figure. Stars with different masses grow and change throughout the different stages of their lives. Stars are composed primarily of hydrogen and helium gases. An exploding supernova throws hot gas into space. Pic of 5th stage. Login or Register above to download the content. These protostars are dense bodies of dust and gas which have not begun to generate light. • Remember! A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust in which it is born. Stars go through a natural cycle, much like any living beings. This is the last stage of the Star. Stars that are far greater in mass than the Sun follow the right hand path: red super giant star \(\rightarrow\) supernova \(\rightarrow\) neutron star, or a black hole (depending on size).

Eventually the core exhausts its supply of hydrogen and the star begins to evolve off of the main sequence. A nebula is a large cloud of gas and dust. After only 50 to 100 million years, no hydrogen is left in the core of a massive star.

Heavy stars turn into supernovae, neutron stars and black holes whereas average stars like the sun end life as a white dwarf surrounded by a disappearing planetary nebula.

The next closest star Proxima Centauri is 4.2 light-years away from us. The temperature inside the cloud is low enough for molecules to form.
Which star will look brighter?

Most of the star's material is blown into the space, but the core implodes rapidly into a neutron star or a singularity known a s a black hole. Our sun is currently in its main sequence stage. A massive star has a short lifespan than the Sun or other low-mass stars. They are held together by their own gravity. The larger the mass of a star the shorter will be its life cycle. A new star arises when one of these clumps accumulates so much mass that it collapses under the force of its own gravity. The more mass a star has, the shorter its lifespan will be. Nebulae are mostly composed of hydrogen. They give out light of their own due to nuclear reactions. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. It will spend 90 percent of its life in this stage, fusing hydrogen molecules and forming helium in its core.


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