Nebulae: Explained | Astronomic 

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Or are they just the result of the same thing?

Atoms are formed of subatomic particles: Protons, neutrons and electrons. Most of these atoms will then go on to form elements (trying to keep it simple) such as hydrogen, helium, carbon and oxygen. However the ones you see in this video have come from a supernova. When a star is born from a nebula, it spends its whole life using up hydrogen in nuclear fusion (which forms helium) so that it can shine. But when the hydrogen starts to run out, it will begin using up the helium, which will start to create larger elements. Then when the are has reached the end of its life, if it's around the same sort of size as the sun, it will eject it's outer layer of dust and gas and form a white dwarf (which eventually cools and becomes a black dwarf). If the star is much larger, it will eventually explode in a supernova, where it ejects it's outer layer of dust and gas into the atmoshphere, leaving behind a neutron star. Bigger stars will expand and contract before they explode and will create elements as heavy as iron. These ejected gas and dust particles will then begin to form a new nebula, where another star may be born

Brandon the smudge Sir , I know the basic matter about formation of Stars , Planets , Satellites , Asteroids and Galaxies . According to your thought , " when a Star is born from a nebula , it spends its whole life , using up hydrogen in nuclear fusion ( which forms helium ) so that it can shine . " How can a Star born from nebula ? How can it uses hydrogen for its whole life ? ( nuclear fusion is different , leave it for a while ) I mean , " you are saying that a Star born from hydrogen which belongs to nebula ." If it is correct , I am asking you , how hydrogen formed in nebula ? From where , hydrogen and dust particles came in to nebula ? I know the perfect answer for the formation of gas and dust particles of nebula and I got the perfect answer for the formation of Stars , Planets , Satellites , Asteroids and Galaxies . Besides this I know about the formation of atoms and elements of Planets , Satellites , and Asteroids . It is a process . I know that I am a waste fellow , but the worth of my theory about formation of the Universe is more than ,trillion Olympic Gold medals , trillion Noble prizes and Our solar system's size Gold Ball . In my view , the World do not know how hydrogen formed ? I mean , how the gas and dust clouds of nebula formed . In your view , " when the hydrogen starts to runout , it will begin using up the helium , which will start to create larger elements " ...... In my view it is impossible . First the World has to know about formation of Stars , Planets , Satellites , Asteroids and Galaxies . ( Universe ) The World do not know the answer for the question , " What is the Sun made of and when will it die . " Though NASA got so much of information from , " Parker Solar Probe " and " Juno " , they are notable to understand any thing . Why . They know nothing about formation of Stars , Planets , etc . Just for a simple information , about the difference of heat in Corona and at the surface of the Sun , NASA spend three thousand million dollars . Without knowing about formation of the Universe , NASA will never know about Corona . First I they has to know , What the Sun made of ? I want to sell my theories about formation of the Universe and Evolution of Living Beings , for hundred million dollars only . ( now the price is 1.5 billion dollars ) With my theories , they will know not only about Sun's Corona , but also about , formation of the Universe , formation of gas and dust clouds of nebulae , formation of atoms and elements etc . In my view , every word or sentence in Internet about formation of the Universe ( including Big Bang theory ) is false . I can prove .

@@apparaodasari2693 So I'm clear as I'm struggling with your English (no offence intended just being honest), are you asking me how it's at all possible that a star can contain these elements in the first place? And how do we know these facts for definite? Because I can answer you here

Brandon the smudge Sir , I don't know proper English . My mother tongue is " Telugu " . What I want to say is , without knowing about formation of Stars , Planets , Satellites etc , it is impossible to know about Corona or gas and dust clouds of nebulae . In my view , all the theories in Internet about formation of Stars , Planets , Satellites , Asteroids and Galaxies , are not correct . All the theories must be rewrite by professors . First the World has to know the correct procedure about formation of the Universe .

Ummmm...

When religion rules, science dies.

Going.k

Most of these nebulae look like this when you take long exposure photos. Educate yourself.