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Nebula are an accumulation of gas particles.
Bearing in mind that there untold billions of atoms in the cosmos.
Any two atoms have a gravitational attraction between them. they come together, thus attracting more gas particles by gravitational attraction.
These gas particles become so crowded that they begin to glow, (the nebula).
The analogy, is a dance hall/disco; maybe two people will statr to dance. Eventually a lot more people arrive on the dance floor, and it becomes hot and crowded.
Under further gravitational attraction these hot crowded gas particles keep accumulating into a hot glowing ball. Because partiucles are now so crowded nuclear fusion starts, and releases energy. Hence a Star/Sun.
Because this process takes billions of years we do not instantaneously see it going on.
NB All stars are nuclear reactors in space.
What else can I help you with?
What is the difference between a emission nebula and a reflection nebula?
Emission nebula glow and reflection nebula reflect the light form other stars
What are the names of the nebula?
See related link
What is an absorption nebula?
An absorption nebula is a dark nebula, which absorbs all incident radiation without reemission.
What would happen to a nebula if the pressure inside it was greater than the force of gravity?
Well, isn't that a happy little thought! If the pressure inside a nebula were greater than the force of gravity, it might cause the nebula to expand and disperse into the surrounding space. Just like a gentle breeze carrying flower petals through the air, the nebula's beautiful gases could drift away and create new wonders in the cosmos. Remember, in the vast universe, there's always room for new beginnings and endless possibilities.
What is another nebula besides Orion?
Another popular nebula is the Eagle Nebula, also known as Messier 16. It is located in the constellation Serpens and is famous for the "Pillars of Creation," which are towering columns of interstellar gas and dust where new stars are forming.
When did Shred Nebula happen?
Shred Nebula happened in 2008.
When did Hades Nebula happen?
Hades Nebula happened in 1987.
What would happen if you breathed in nebula?
If you are not wearing a suit you could die
What happen after a nebula contracts and temperatures increase to 10 million k?
A supernova occurs.
What is a mass of gases dust particle s and stars that are located in space?
nebula
What type of nebula is the Stingray Nebula?
The Stingray Nebula (Hen 3-1357) is a planetary nebula. (The youngest known).
What is a name of a Nebula?
"The Crab" is a nebula.
What is emission nebula?
a type of nebula
What is the difference between a planetery nebula and a nebula?
A cloud in outer space consisting of gas or dust and planetry nebula is one of the types also called ring nebula or A planetary nebula is an emission nebula consisting of a glowing shell of gas
What is the difference between a emission nebula and a reflection nebula?
Emission nebula glow and reflection nebula reflect the light form other stars
What is the difference between the Helix Nebula and the Ring Nebula?
The Helix Nebula is a planetary nebula located in the constellation Aquarius, while the Ring Nebula is a planetary nebula located in the constellation Lyra. The Helix Nebula appears more like a disk or helix shape, while the Ring Nebula appears as a ring or donut shape due to its orientation.
What nebula is a name of an animal?
The crab nebula.
