NASA’s just lately retired Spitzer Space Telescope has given us the most recent take a look at the nebula and what it seems like.
The most massive stars in the universe are born inside cosmic clouds of gas and dust, where they leave behind clues about their lives for astronomers to decode.
Ever since we began studying concerning the universe and the interstellar house, we now have heard about stars. But there have been questions on how these stars are born and the way their native place seems like. Well, it was first found in 1958 by radio telescopes that’s a nebula often known as W51 is among the most energetic star-making areas in our Milky Way galaxy it makes a rich cosmic tapestry in this image from NASA’s recently retired Spitzer Space Telescope.
Located about 17,000 light-years from Earth, in the direction of the constellation Aquila in the night sky, W51 is about 350 light-years – or about 2 quadrillion miles – across. It is almost invisible to telescopes that collect visible light (the kind human eyes detect), because that light is blocked by interstellar dust clouds that lie between W51 and Earth. But longer wavelengths of light, including radio and infrared, can pass unencumbered through the dust. When viewed in infrared by Spitzer, W51 is a spectacular sight: Its total infrared emission is the equivalent of 20 million Suns. However, it isn’t straightforward to identify the nebula in the evening sky with telescopes that accumulate seen gentle. This is as a result of the sunshine between W51 and Earth will get blocked because of the presence of mud clouds fashioned in the galaxy. Using radio, infrared or longer wavelengths of sunshine can assist us discover the nebula. This is how the infrared wavelength of NASA’s Spitzer telescope helped in capturing the sight of W51.
If you could see it with your naked eye, this dense cloud of gas and dust would appear about as large as the full Moon. The Orion Nebula – another well-known star-forming region and a favourite observing target for amateur astronomers – occupies about the same size area in the sky. But W51 is actually much farther from Earth than Orion and thus much larger, and it’s about 75 times more luminous. While Orion contains four known O-type stars – the most massive stars in the universe – W51 contains over 30.
“Star factories” like this one can operate for millions of years. The cavernous red region on the right side of W51 is older, evident in the way it has already been carved out by winds from generations of massive stars (those at least 10 times the mass of our Sun). The dust and gas in the region are swept around even more when those stars die and explode as supernovas. On the nebula’s younger left side, many stars are just beginning to clear away the gas and dust in the same way the stars in the older region have done. It’s apparent that many of these young stars are in the process of forming bubbles of empty space around themselves.
This image was taken as part of a major observation campaign by Spitzer in 2004 to map the large-scale structure of the Milky Way galaxy – a considerable challenge because Earth lies inside it. Called the Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE), the survey also turned up valuable data on many wonders within the Milky Way, including images of multiple stellar factories like W51 that were hidden by dust from visible-light observatories.
“The really spectacular images provided by Spitzer via the GLIMPSE survey ¬– in concert with data from many other, complementary telescopes – give us insight into how massive stars form in our Milky Way, and then how their powerful winds and radiation interact with the remaining ambient material,” said Breanna Binder, an assistant professor of physics and astronomy at California State Polytechnic University, Pomona, who studies the life cycles of massive stars. “We can’t observe star-forming regions in other galaxies in anywhere near the level of detail that we can in our own galaxy. So regions like W51 are really important for advancing our understanding of star formation in the Milky Way, which we can then extrapolate to how star formation proceeds in other, nearby galaxies.”
NASA’s Spitzer Space Telescope launched 17 years ago this week, on Aug. 25, 2003. The spacecraft was retired on Jan. 30, 2020. Though the mission has concluded, the entire body of scientific data collected by Spitzer during its lifetime is available to the public via the Spitzer data archive, housed at the Infrared Science Archive at IPAC in Pasadena, California.
NASA’s Jet Propulsion Laboratory, a division of Caltech, managed Spitzer mission operations for NASA’s Science Mission Directorate in Washington. Science operations were conducted at the Spitzer Science Center at IPAC at Caltech. Spacecraft operations were based at Lockheed Martin Space in Littleton, Colorado.
By ANUSHKA SHARAD
Top 10 Amazon prime web series Hindi
Its Weekend and here are top 10 amazon prime series hindi you must binge watch right now if you haven’t yet!
- Mirzapur – A middle class family gets into trouble when their father takes a case against the mafia of Mirzapur, Akhandanand Tripathi whose son makes things even ugly by gunpointing the family and making the two brothers work for them , who later on want to take over the mafia business.
- Paatal lok – Four suspects are taken into custody for attempt to assassinate a journalist. As the suspects don’t tell anything the inspector on the case finds about their past where he finds the bitter dark truth about underground world. Must watch for dog lovers.
- Breathe – A thriller story of a young boy who has a heart condition and on the transplant waiting list and his family is worried as his frequently hospital visit. On the other side the top organ recivers are getting killed where the inspector is searching for the killer .
- Chacha vidhayak hai humare – the series starring Zakir Khan who has a same surname as the MLA of the state and gets his things done by telling that he is nephew of the MLA in reality has no relation with him gets in various trouble because of these lies.
- Inside edge – It’s a story which gives an insight of cricket premier league held in the country of how betting is done and match fixing for earning through these bettings.
- Family man – A middle class man who is actually a spy for NIA to stop terrorist attacks by lying to his kids and having family troubles because of his unsafe job.
- Tandav – A indian political story of PM whose son thinks he is ready to lead as the next PM but his father thinks he is not . Has ups and downs in the family and some old friends.
- Bandish bandits – Two different types of singers one who is classical singer whose guru is very strict about his gharanas and teaches him to be like hime on the other hand a young modern day girl who has modern music taste and no rules meet and have various adventures together.
- Four more shots please – Four female friends from different walks of life deal with romance, work-life conflicts, ambitions and anxieties in modern-day India.
- Made in heaven – Two friends having a partnership as wedding planners working with every weeding very closely and the male one is gay and living in indian society illegally and how this affects their business.
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Dussehra: Victory of Good over evil
Dussehra: Victory of Good over evil, is celebrated on the 10th day of month Ashvina. Victory means Prabhu Rama over Ravana in famous hindu epic Ramayan. Also it means the end of Durga puja and Ramlila. In Ramayan, Ravana kidnaps god Rama’s wife Sita, as god Rama & Laxman cuted of the nose of ravna’s sister surpanakha. So to claim vengeance on them Ravana kidnapped sita. To get back maa sita Prabhu Rama and Laxman faught battle against Ravana with the help of hanuman, Subriv & other Vanar sena.
In this battle Ravana’s brother Bhibishan also helped god Ram against Ravana . At the end of Prabhu Ram wins the battle and rescues Maa Sita. Thereafter this victory is celebrated by burning the statue of Ravan, Kumbhakarn, his son Meghnath. Dusshersa is a climax of long day celebration of Navratri.
The nine days of Navratri is the time to reflect on oneself, observe silence & practice fasting. Fasting cleanses the body of toxins and silence purifies speech & mind. What does Dasehra means Das means ten and hara means take away. Which came after Navratri means nine nights if darkness. On each day of Navratri we pray to that form of goddess durga to take away that darkness of ignorance within us. After that on tenth day on the occasion of Dasehra we burn all the evil, bad things, thoughts, bad habits inside us in that fire in the form of Ravna as evil inside us.
Dusshera: Victory of Good over evil
Ravana is not the demon or evil, you yourself are one. In the battele of Ram and Ravana, god Ram had been invoked Durga May to help him win the battle against Ravana. We also should invoked Durga to help us in gaining back our Sita. Sita? It is awareness inside is which has been traped in maya surround us. To make our soul clean and pure we have to burn the evil in the fire by fighting and winning battle against evil. many evils and negative aura lives within us, we should overcome this with good things. This is what Dasehra symbolise.
It is a supreme festival of Hindu culture with true meaning. Furthermore it also symbolize the feminism as the battle is to bring back maa Sita from the Ravana. Whenever person crosses his limit, go beyond it and try to hurt marayda of stree. She will transform into Durga and will punish that person to death. Rama won the battles and the light and happiness spreaded. its our choice, either we want to be Ravana & get entrapped in the worldly pleasure or want to Rama (A spiritual being).To symbolise and to aware Dashera is celebrated do its called, Dussehra: Victory of Good over evil!
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