what is a nebula and how are they formed

what is a nebula and how are they formed


She kept up with the latest news in astronomy world. You will have seen the many images taken by the new James Webb Space Telescope. Some of them are a Visa. Mesmerizingly, beautiful images of nebulae. Jaw-dropping photos that are difficult to wrap your head around. But what is a nebula and how are they formed? There are actually many different types of nebulae will talk about a nebula.

It can be found in what is called the interstellar medium. This is the vast seemingly. Endless space between the stars and nebulae is a giant cloud of hydrogen atoms, and Cosmic dust. They are often star-forming regions areas and space were stars or first created. Matter starts to Clump together and due to the increase in mass and attracts more matter until it eventually becomes massive enough to form a star.

Also be formed when a star dies, completing the life cycle of a star, they come in all shapes and sizes. Every we tend to be extremely large compared to our tiny solar system. Some can be hundreds of light years in diameter because of their massive size. They actually have a very low density, the average vacuum chamber on Earth has a higher particle density than the nebula.

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The section of a nebula, the size of the Earth would weigh only a few grams. I’ll talk about three main types in this video, Supernova, Remnant nebula planetary, nebula and H2 or diffuse nebulae, Supernova, Remnant nebula form. Like the name, suggests high-mass Stars much larger than our sun goes Supernova, at the end of their life. This leaves behind a huge cloud of gas and becomes nebula. As well as possibly a neutron star or black hole. The Crab Nebula is a great example of this. Planetary, nebulae are similar due to the fact that they are created at the end of a star’s life.

When a lower mass star like our sun dies, it expands into a red giant and the outer layers of gas, only pool and dissipate leaving behind a nebula with a white dwarf star. They get the name from their round shape, an example, being the southern Ring Nebula recently, photographed by the James Webb Space Telescope.

The third type is the H2 or diffuse nebulae, this is where stars are formed. They’re the largest nebula can contain thousands of young stars and can exist for a few million years. Some can actually be seen with the naked eye like the Orion Nebula

We were first ever mentioned in records by Ptolemy in 150 ad, before we even knew there were galaxies outside of the Milky Way, early galaxies were called nebulae, and the 1700s Charles Messier compiled, the list of 103 nebulae, which became known as messier objects. They were given a name with an m and a number many on the list. Actually, ended up being galaxies are nearest, Galactic neighbor, the Andromeda Galaxy. Is Messier, 31.

Nebulae are some of the most beautiful objects in the universe. In my opinion, the fact that we are alive at the time when we can observe these natural phenomena is a miracle through our eyes. The universe is perceiving itself through. Our ears universe is listening to its harmonies. We are the witness through which the universe becomes conscious of, its Glory of its magnificence.

By Karthik

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