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NASA’s Fermi Mission Creates 14-Year Time-Lapse of the Gamma-Ray Sky - Technology Org

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NASA’s Fermi Mission Creates 14-Year Time-Lapse of the Gamma-Ray Sky - Technology Org

The cosmos comes alive in an all-sky time-lapse movie made from 14 years of data acquired by NASA’s Fermi Gamma-ray Space Telescope. Our Sun, occasionally flaring into prominence, serenely traces a path through the sky against the backdrop of high-energy sources within our galaxy and beyond.

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“The bright, steady gamma-ray glow of the Milky Way is punctuated by intense, days-long flares of near-light-speed jets powered by supermassive black holes in the cores of distant galaxies,” said Seth Digel, a senior staff scientist at SLAC National Accelerator Laboratory in Menlo Park, California, who created the images.

“These dramatic eruptions, which can appear anywhere in the sky, occurred millions to billions of years ago, and their light is just reaching Fermi as we watch.”

Gamma rays are the highest-energy form of light. The movie shows the intensity of gamma rays with energies above 200 million electron volts detected by Fermi’s Large Area Telescope (LAT) between August 2008 and August 2022.

For comparison, visible light has energies between 2 and 3 electron volts. Brighter colors mark the locations of more intense gamma-ray sources.

Milky Way visible in the night sky – illustrative photo. Even though it is difficult to imagine a flat universe, this theory may be right. And, it has nothing to do with the infamous flat Earth theory. Image credit: Graham Holtshausen via Unsplash, free license

“One of the first things to strike your eye in the movie is a source that steadily arcs across the screen. That’s our Sun, whose apparent movement reflects Earth’s yearly orbital motion around it,” said Fermi Deputy Project Scientist Judy Racusin, who narrates a tour of the movie, at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

Most of the time, the LAT detects the Sun faintly due to the impact of accelerated particles called cosmic rays – atomic nuclei traveling close to the speed of light. When they strike the Sun’s gas or even the light it emits, gamma rays result.

At times, though, the Sun suddenly brightens with powerful eruptions called solar flares, which can briefly make our star one of the sky’s brightest gamma-ray sources.

The movie shows the sky in two different views. The rectangular view shows the entire sky with the center of our galaxy in the middle. This highlights the central plane of the Milky Way, which glows in gamma rays produced from cosmic rays striking interstellar gas and starlight. It’s also flecked with many other sources, including neutron stars and supernova remnants.

Above and below this central band, we’re looking out of our galaxy and into the wider universe, peppered with bright, rapidly changing sources.

Most of these are actually distant galaxies, and they’re better seen in a different view centered on our galaxy’s north and south poles. Each of these galaxies, called blazars, hosts a central black hole with a mass of a million or more Suns.

Somehow, the black holes produce extremely fast-moving jets of matter, and with blazars we’re looking almost directly down one of these jets, a view that enhances their brightness and variability. “The variations tell us that something about these jets has changed,” Racusin said.

“We routinely watch these sources and alert other telescopes, in space and on the ground, when something interesting is going on. We have to be quick to catch these flares before they fade away, and the more observations we can collect, the better we’ll be able to understand these events.”

Fermi plays a key role in the growing network of missions working together to capture these changes in the universe as they unfold.

Many of these galaxies are extremely far away. For example, the light from a blazar known as 4C +21.35 has been traveling for 4.6 billion years, which means that a flare up we see today actually occurred as our Sun and solar system were beginning to form. Other bright blazars are more than twice as distant, and together provide striking snapshots of black hole activity throughout cosmic time.

Not seen in the time-lapse are many short-duration events that Fermi studies, such as gamma-ray bursts, the most powerful cosmic explosions. This is a result of processing data across several days to sharpen the images.

Source: National Aeronautics and Space Administration

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4 min read NASA’s Fermi Mission Creates 14-Year Time-Lapse of the Gamma-Ray Sky The cosmos comes alive in an all-sky time-lapse movie made from 14 years of data acquired by NASA’s Fermi Gamma-ray Space Telescope. Our Sun, occasionally flaring into prominence, serenely traces a path though the sky against the backdrop of high-energy sources within our galaxy and beyond. From solar flares to black hole jets: NASA’s Fermi Gamma-ray Space Telescope team has produced a unique time-lapse tour of the dynamic high-energy sky. Fermi Deputy Project Scientist Judy Racusin narrates the movie, which compresses 14 years of gamma-ray observations into 6 minutes. Download high-resolution video and images from NASA’s Scientific Visualization Studio. Credit: NASA’s Goddard Space Flight Center and NASA/DOE/LAT Collaboration “The bright, steady gamma-ray glow of the Milky Way is punctuated by intense, days-long flares of near-light-speed jets powered by supermassive black holes in the cores of distant galaxies,” said Seth Digel, a senior staff scientist at SLAC National Accelerator Laboratory in Menlo Park, California, who created the images. “These dramatic eruptions, which can appear anywhere in the sky, occurred millions to billions of years ago, and their light is just reaching Fermi as we watch.” Gamma rays are the highest-energy form of light. The movie shows the intensity of gamma rays with energies above 200 million electron volts detected by Fermi’s Large Area Telescope (LAT) between August 2008 and August 2022. For comparison, visible light has energies between 2 and 3 electron volts. Brighter colors mark the locations of more intense gamma-ray sources. “One of the first things to strike your eye in the movie is a source that steadily arcs across the screen. That’s our Sun, whose apparent movement reflects Earth’s yearly orbital motion around it,” said Fermi Deputy Project Scientist Judy Racusin, who narrates a tour of the movie, at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. Most of the time, the LAT detects the Sun faintly due to the impact of accelerated particles called cosmic rays – atomic nuclei traveling close to the speed of light. When they strike the Sun’s gas or even the light it emits, gamma rays result. At times, though, the Sun suddenly brightens with powerful eruptions called solar flares, which can briefly make our star one of the sky’s brightest gamma-ray sources. The movie shows the sky in two different views. The rectangular view shows the entire sky with the center of our galaxy in the middle. This highlights the central plane of the Milky Way, which glows in gamma rays produced from cosmic rays striking interstellar gas and starlight. It’s also flecked with many other sources, including neutron stars and supernova remnants. Above and below this central band, we’re looking out of our galaxy and into the wider universe, peppered with bright, rapidly changing sources. Most of these are actually distant galaxies, and they’re better seen in a different view centered on our galaxy’s north and south poles. Each of these galaxies, called blazars, hosts a central black hole with a mass of a million or more Suns. Somehow, the black holes produce extremely fast-moving jets of matter, and with blazars we’re looking almost directly down one of these jets, a view that enhances their brightness and variability. “The variations tell us that something about these jets has changed,” Racusin said. “We routinely watch these sources and alert other telescopes, in space and on the ground, when something interesting is going on. We have to be quick to catch these flares before they fade away, and the more observations we can collect, the better we’ll be able to understand these events.” Fermi plays a key role in the growing network of missions working together to capture these changes in the universe as they unfold. Many of these galaxies are extremely far away. For example, the light from a blazar known as 4C +21.35 has been traveling for 4.6 billion years, which means that a flare up we see today actually occurred as our Sun and solar system were beginning to form. Other bright blazars are more than twice as distant, and together provide striking snapshots of black hole activity throughout cosmic time. Not seen in the time-lapse are many short-duration events that Fermi studies, such as gamma-ray bursts, the most powerful cosmic explosions. This is a result of processing data across several days to sharpen the images. The Fermi Gamma-ray Space Telescope is an astrophysics and particle physics partnership managed by Goddard. Fermi was developed in collaboration with the U.S. Department of Energy, with important contributions from academic institutions and partners in France, Germany, Italy, Japan, Sweden, and the United States. By Francis ReddyNASA’s Goddard Space Flight Center, Greenbelt, Md. Media contact:Claire Andreoliclaire.andreoli@nasa.govNASA’s Goddard Space Flight Center, Greenbelt, Md.(301) 286-1940 Share Details Last Updated Dec 20, 2023 Related Terms Astrophysics Black Holes Fermi Gamma-Ray Space Telescope Galaxies, Stars, & Black Holes Goddard Space Flight Center Origin & Evolution of the Universe Supermassive Black Holes The Sun The Universe Explore More 2 min read NASA’s Hubble Presents a Holiday Globe of Stars Article 1 hour ago 2 min read Cosmic Companionship Quest Marks Major Milestone Article 2 days ago 3 min read NASA’s BurstCube Passes Milestones on Journey to Launch Article 2 days ago Keep Exploring Discover Related Topics Missions Humans in Space Climate Change Solar System

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deluxenews // Tim & Jester Don On-Trend Style from Digel Move Fall 2019

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(via Digel Move | Fall 2018 | Menswear | Jester White | Rutger Schoone)

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The New Rules Of Formal Attire

http://fashion-trendin.com/the-new-rules-of-formal-attire/

The New Rules Of Formal Attire

We’ve waxed lyrical about how men’s dress codes are breaking down, how casual dress is taking over and why sportswear is the de facto king of men’s fashion. But in this new relaxed world there is one mainstay that refuses to disappear: the suit.

We’ve seen it rise and fall in popularity over the years, but it never truly went away. In a true sign of the times, tailoring featured extensively in the first Louis Vuitton collection from Virgil Abloh, shown alongside cutting edge streetwear suggesting the two have finally become symbiotic. The suit, and old ideas of formal attire in general, no longer has to have stuffy connotations – it can be worn through choice; it can be sexy and relevant.

After all, no matter how casual fashion gets, there are still times when you’ll need to wear one – weddings, fancy parties, big job interviews, they generally all require one. “Many people now only wear formal clothing to weddings and funerals”, owner of Grenson, Tim Little admits. But how can you wear yours without looking old hat?

Formal Attire In The Age Of Sportswear

Up to only a few years ago, the formal attire equation was simple: suit, shirt, tie, pocket square, smart shoes, done. Whilst it ticks all the formal boxes, this is a look that’s far from inventive and has been knocking around for decades in various forms. It’s no wonder only one in ten people in the UK now wear a suit to work – it’s become boring, and stinks of conformity and boardroom meetings.

Sandro

It’s a good job then designers are beginning to herald in a new era for the old faithful. Forget everything you know about suits – this is tailoring for the next generation, it’s tailoring for those who may never have chosen or even needed to wear a suit before. It’s got nothing to do with Savile Row. It kicked off with the spring-summer shows of 2018 – there was Louis Vuitton’s all-white double-breasteds; Dior’s couture-inspired suits worn with nothing underneath; Paul Smith’s voluminous 1980s takes, and Raf Simons’ oversized designs with no shirt or tie in sight.

COS

What does this mean for you and I? Formal attire has moved on. The suit doesn’t have to be treated like the business accomplice it always has been. Creative director of Savile Row house Gieves & Hawkes John Harrison agrees: “There is definitely an easing up on tailoring”. Yes, there are times when a shirt and tie are needed – those pesky weddings – but you can also replace the shirt altogether, and still be the best-dressed man in the room. From wearing trainers with tailoring to how your suit should fit, here are the new rules of formal attire.

The New Rules Of Formal Dress

Simplify Your Look

When it comes to tailoring, too many people get carried away. No, you do not need a tie pin, collar bar, pocket square, braces, pocket watch and a cigar hanging out of every pocket. Pare things back and let the suit – and your personality – do the talking. Not only will it take less time for you to get ready, you’ll also look less affected and more natural. For a simple wedding look for example, ditch the pocket square (fussy, unnecessary), and opt for a plain knitted tie with an Oxford shirt. Simple and effective.

Topman

Forget ‘Slim Fit’

‘Slim fit’ has dominated mainstream clothing over the past decade, but it’s on its way out, especially when it comes to smart attire. Unfortunately ‘slim fit’ tends to translate as ‘too tight’ and nobody wants a suit they can’t move in, or even do up. A suit should be flattering, not contouring, so look for wider cuts that complement your body shape rather than restrict it.

Brunello Cucinelli

Aim For Comfort

A suit doesn’t have to have heavy structure. Whilst those of Savile Row tend to have a militaristic cut – built up roped shoulders, heaving chest canvassing – an unstructured suit strips all of this away, offering a far more comfortable end product that won’t make you feel like you need to stand to attention when you wear it.

Try oversized outerwear over the top for ultimate comfort points. It doesn’t have to be huge, but a coat in the next size up will ensure your suit fits underneath, and it can double as a cosy weekend jacket. Just tailor the sleeve length so you can still see your hands.

Canali

If You Want Colour, Go Earthy

Navy and grey will always be the most popular options, but a colourful suit can make for a striking choice. If in doubt stick to earthy colours of deep greens and browns, which are flattering for most skin tones and keep the rest of the look simple to allow the suit to take centre stage.

Next

Try Trainers

Ah, the age old debate of whether trainers can be worn with a suit. We’ll end it here: yes, it can be done. It’s very easy to get wrong though. The trick is to tone everything down – the suit should be unstructured and made from a more casual fabric such as cotton; wear a T-shirt instead of a shirt, and tailor the hems of your trousers with no break. Oh, and the sneakers themselves should be minimal, too.

Digel

Forget Old School ‘Rules’ Of Formalwear

Unfortunately, the traditional origins of tailoring means it comes with plenty of pomp, and a few so-called style ‘rules’ that are dated and need to be ignored. ‘No brown in town’ and ‘never wear navy and black’ are the two that first spring to mind.

Another, and one you’ll read on plenty of styles sites, is that you should never wear a pre-tied bow tie. What purpose does this serve other than to stroke the wearer’s ego that he, in fact, is wearing a ‘real’ bow tie? Well, there isn’t one really. If you’re after a bow tie then, regardless of whether it’s pre-tied or not, go for it. It shouldn’t be untied on the night anyway – you’re not James Bond.

Charles Tyrwhitt

Smart Knitwear

This is perhaps the best rule on this list, and the most effective way of transforming your formal attire. Simply swap your shirt for a fine gauge knit – whether that be a crew neck, roll neck or Breton stripe. This immediately helps to strip away the business-like connotations of the suit, and gives off a contemporary look and feel that simply can’t be achieved with a shirt and tie.

H&M

For Shoes, Think Versatility

What’s the use in having multiple pairs of similar shoes that serve different purposes when you can have one pair that does it all? Save your cash and look for versatility when shopping for footwear on the smarter end of the spectrum. A pair of Derby shoes is always a good option, but look for something a little more robust that’ll pair well with jeans as well as tailoring.

Alternatively try a traditionally formal style – a monk strap or Chelsea boot – but with a chunky commando rubber sole bolted on for ultimate smart casual prowess.

Crockett & Jones

The Modern Shopping List For Formal Attire

The Unstructured Suit

If you’re going to own only one suit, opt for one with little to no structure and you’ll find yourself wearing it even when you don’t have to. It’ll be comfortable, easy to wear and you can dress it up or down with ease. Simply wear with a shirt and knitted tie for work, or a T-shirt and trainers for date night.

A Textured Blazer

For times when a full suit is just too much, a blazer worn with complementary trousers is a solid bet. Said blazer should be made from some sort of textured fabric – a herringbone cotton or tweed perhaps – so that it looks as though it was meant to be worn solo.

A Knitted Tie

Whilst it may be less formal than the pure silk variety, the knitted tie is also less stuffy and far easier to wear. Although usually finished with a square tip, you can find the odd knitted tie with a pointed end to replicate the more traditional look of a printed silk version.

The Jersey Shirt

Menswear has evolved, and so too have the fabric options available today. It’s now possible to purchase classic types of shirt in cotton jersey – the comfortable fibre usually reserved for polo shirts. With the same look of a traditional dress shirt, these jersey shirts have a slight stretch meaning more freedom of movement and comfort, yet appear just as smart. A win win.

Some Rubber Soled Dress Shoes

Why go for a leather sole when you can have rubber? More durable, waterproof and slip-resistant, rubber soles make for ideal everyday work shoes yet, because they are usually chunkier, they’ll also pair up equally well with your weekend wardrobe.

Oversized Outerwear

To top off your formal look, finish with an oversized coat. Not only will it show your fashion nous and ability to play with proportion, it will also ensure your two-piece fits underneath and will be endlessly more comfortable than a restricting, slim-fit jacket.

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DIGEL MOVE Film Shooting in Munich

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A.P.R.   E   X   P   O    PRESSDAY AW 17-18

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Bread & Butter Berlin 2014 Summer – DIGEL MOVE

Bread & Butter Berlin 2014 Summer – DIGEL MOVE

DIGEL move is the perfect fashion for the urban male who likes to dress fashionably with a sure sense of style but still wants to feel authentic. It enhances the personality of this dynamic, fashion-conscious and confident individualist. Success for him means above all the liberty to do the things he likes doing. The look stands for an urban style with a consistently modern and perfect fit with…

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deluxenews // Jester White & Harvey Haydon Embrace Smart Style in Digel Move Spring 2019 Collection