5 Most Beautiful And Famous Nebula Of The Universe | 2021
Every day new discoveries and objects discovered in space. One of these is the Nebula. Nebulas are a very special part of creation. Today we are on this Earth only because of the Nebula. Our star, the earth and whatever is part of our solar system would once have been in the nebula only in the form of gas and dust.
All the stars and planets are formed in the nebula. By the
way, the nebulas itself look like a different and beautiful. Because the
irregular expanding gas in it gives it a beautiful shape. It can be of many
types. Like Emission nebula, they are the most colourful because they contain
ionized gases. Due to this they emit light of different wavelengths. There are
other similar nebulae, such as Planetary Nebula, the reflection nebula, the
dark nebula and supernova Remnants.
The Hubble Space Telescope was launched on April, 24 1990
and has performed millions of observations in interstellar space and is doing.
It doesn’t know how much beautiful nebula it has captured. Whose beauty is
unmatched. So today we will try to find out about some of these wonderful
nebulas. If we talk about their vastness then they can be spread over many
light years.
1. THE EAGLE NEBULA
Image Credit-https://www.rawpixel.com/image/440098/the-eagle-nebula
This Nebula is located 7000 light years from earth. The first person to see it was Jean Philippe De Cheseaux. Then, in 1995, Jeff Hester and Paul Scowen photographed it through the Hubble Space Telescope. This brought it true beauty before us. It is also called the pillars of creation. The mass of the Eagle Nebula is equal to 12000 solar messes. Scientists say it maybe 5.5 million years old. When viewed in ultraviolet light, it appears that stars are still forming in some of its region.
But why aren’t Stars being formed in all its regions? More than 8000 stars are part of this Nebula. This means that the stars that have been formed in it. An in-depth study has revealed that its brightest star is HD-168076. At the moment this Nebula is part of a diffuse emission Nebula. This Nebula is also known as M16. At the moment let's talk about why stars are not being formed in it now and why it's only happening in a few areas.
An infrared telescope called the Spitzer Space Telescope was a launched in 2003. From the observations made by this telescope, scientists have come to the conclusion that they have detected hot gas in it. Scientists say the Eagle Nebula has been destroyed for thousands of years ago. The presence of a supernova in nearby stars would have created a shockwave that would have destroyed its pillars. It is currently 7,000 light years away.
So from the Earth we will always see it 7,000 years old. This is because of thespeed of light particles. The shockwave must have been slowly passing through it, which must have destroyed its amazing shape. But some areas of it may have survived. In which new stars are being formed. So we can say that most of it was destroyed 8000 to 9000 years ago. The gas and dust in it were probably not dense enough to withstand a rising star shockwave. This Nebula is located in the constellation Serpens.
2. THE HELIX NEBULAThe Helix Nebula is a planetary nebula. Such a nebula is formed when a supernova explodes in an old star. The star takes on the form of supernova with an explosion after they have passed their live. Such stars have consumed all their fuel. After this they take the form of White Dwarf. The Helix Nebula was in the form of a star and when it exploded it threw a huge amount of gas and dust into interstellar space. Its shapes look like an eye.
So that’s why it is also called “The Eye of God”. Its beautiful shape adds to interest in space. At gas and dust release after such an event contains a large amount of ionized gases such as hydrogen, carbon, helium, oxygen etc. All of these elements are essential to building a solar system. All the stars and planets we see today are made up of such dust and gases. The Scientist says The Helix Nebula was a sun sized star more than 10,000 years ago. Which we see today as a nebula.
The Helix Nebula is about 655 light-years from us and is in the constellation Aquarius. This Nebula was a discovered by Karl Ludwig Harding. Karl Ludwig discovered it in the 18th century. Observations by Spitzer Space Telescope show that its centre, the white dwarf star, is quite energetic. Which emits ultraviolet radiation. This ultraviolet radiation is a constantly heating its extruded layers. Due to this the white dwarf star appears to glow.
The gas
and dust clouds in this Nebula have spread over an area of about 2.87 light
years. This enabler has grown so large, and we can estimate it from the fact
that it would take more than two years for light to travel from one end to the
other. Of course, this white dwarf star
is about the size of our Earth, but could be more massive than the sun. Our sun
will form a similar star after billions of years. The Helix Nebula is one of
the nearest nebula to earth and even the brightest. This nebula looks quite
similar to the cat's eye Nebula. However, The Helix Nebula is one of the most
beautiful and attractive object. This
Nebula is also known as NGC 7293.
3. CRAB NEBULA
The crab Nebula is one of the celestial objects we have been witnessing since ancient times. Many years ago it was thought that in a Supernova, Nova meant new, meaning the birth of new stars. But now we know that it is not the birth of new stars but their end. There are supernovas in every second in the universe. But after the death of a star, a lot would be left behind. The same is true with the crab Nebula. Its name doesn't match it because it doesn't look like a crab. Yet it has an amazing structure in space. Evidence of this first found in a Chinese astronomy in 1054.
A Pulsar |
This Pulsar emits very powerful radio waves and gamma rays. Which
makes the crab Nebula a very bright object. Its Pulsar rotates very fast. It rotates 30 times a second due to its
excessive self-gravity. Pulses are the most powerful source of electromagneticradiation. Despite having a diameter of 25 to 30 kilometres, its mass is 1.5 Times
that of the Sun. It releases up to
70,000 times more energy than the sun. Due
to the release of radio waves, in 1967 a team of scientists thought it was a signal
from an advanced alien civilization. This Nebula is spreading at a speed of
1500 kilometres per hour. The magnetic field of its rotating Pulsar is billions
of time more powerful than the sun. Even then it's just a remnant of a dead
star. But its presence in this crab Nebula greatly enhances its beauty.
4. THE CAT'S EYE NEBULA
Nothing in the universe is immortal. Everything is made of it and taken back by it. Everything must end someday. The cat's eye Nebula was formerly a sun like a star. After its death today we see this beautiful structure. There is no doubt that the cat's eye Nebula is a work of art in itself. It is also known as NGC 6543. It was first discovered by William Herschel in 1786.
Its distance from the earth is about 3,262 light years. It presents in the Northern constellation Draco. Needless to say, the cat's eye Nebula is a planetary Nebula. According to scientists, it may be about a thousand years old. As we know, no they contain hydrogen and helium gases that can spread over millions of light year. Later, this dust and gases are very important for the birth of a star. It also has a white dwarf star at its centre.
A sun shaped star has thrown its outer layers into interstellar space
at a speed of 4 million per hour with the material inside it. Excessive hot gas
has been detected in this nebula by Chandra x-ray observatory. It looks very
attractive, but its structure is considerable to be very complex. It’s a central
star emit Stellar wind all the times at a speed of 1900 kilometre per
second. Which produces too many X-rays. Because
of this the inner bubble of NGC 6543 e Nebula is becoming hollow. The reason
why it looks so bright is because of it central star. Calling it the cat's eye
Nebula, it is clear that its structure resembles that of an eye. The diffusion
of gas and dust of IT in this shape greatly enhances its beauty.
5. THE ORION NEBULA
You must be heard of the Orion Nebula. It is one of the most widely observed astronomical objects by astronomers. In fact, it is part of a very popular constellation Orion. We can clearly see this constellation in the night sky with the naked eyes. It is located south of this Orion Belt. Its Apparent magnitude is + 4.0, so it can be seen with any ordinary telescope. In addition to being beautiful, it has a very large structure. In terms of its diameter, it is estimated to be 24 light years. In fact, this Nebula is the closest massive star formation region near Earth.
Its distance from earth is only 1,344 light years away. Inside the Orion Nebula there is a very young open cluster. Many massive stars are born in it. About 700 stars are forming in this Nebula at different stages. This is nothing new. This Nebula is about two thousand times as massive as our Sun. This Nebula is a very large in the Orion molecular cloud Complex Nebula. This means that the region in which most stars are formed. The Orion Nebula is also known as messier 42. The Nebula was discovered by Christiaan Huygens November 26, 1610. Christiaan also discovered Titan, the largest moon on Saturn.
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