Tech & Science: This fluffy ball contains the story of the universe - - PressFrom - United Kingdom

Tech & Science This fluffy ball contains the story of the universe

04:50  29 october  2019
04:50  29 october  2019 Source:

A New Way To Measure Cosmic Distance Could Help Solve A Frustrating Inconsistency About The Universe

A New Way To Measure Cosmic Distance Could Help Solve A Frustrating Inconsistency About The Universe We can add yet another way to measure the universe’s expansion onto the pile of controversy that could perhaps be the most exciting story in cosmology today. The universe is expanding. Measurements of the most distant detectable electromagnetic radiation predict one value for the rate of expansion, but measurements gleaned from nearer objects reveal different values. If the values really are incompatible, it could be a sign that the grand theory currently used to describe the universe’s evolution is broken.

Journey of the Universe . An Epic Story of Cosmic, Earth, and Human Transformation! This EMMY® Award-Winning Documentary, written by Canticle to the Cosmos. An immersive, classic course on the story of the Universe , Earth, Life, and Human.

Steven☆ Universe 「SPEEDPAINT」 Fluffy Lion. fuwapeach. Загрузка Steven Universe Fan-Fusion: Pink Spinel (2nd Design) [Speedink & Speedpaint] - Продолжительность: 2:46 Ricard Sistach 11 118 просмотров.

a star in the middle of a clear blue sky: The imprint of an explosive burst as a star goes supernova just before it dies. Scientists use these cosmic fireworks to understand and test theories of supernovae. © NASA/CXC/RIKEN & GSFC/T. Sato et al The imprint of an explosive burst as a star goes supernova just before it dies. Scientists use these cosmic fireworks to understand and test theories of supernovae. More than 10 thousand years ago, a star in our galaxy exploded. The light from this explosion didn't reach Earth until 1572, when the astronomer Tycho Brahe saw a burst of brightness in the night sky and mistook it for a new star being born. We now know that this flare was actually a white dwarf star going supernova—a violently explosive wave of energy and matter that a star emits as it dies. Nearly 500 years later, the imprint of that explosive burst is still visible—and it's very fluffy.

The Universe Might Be 2 Billion Years Younger Than We Thought

  The Universe Might Be 2 Billion Years Younger Than We Thought Hey, what's a few billion years between friends? The exact age of the universe has long been up for debate. A new entrant into that debate claims the universe is significantly younger than previous estimates. Scientists used what's known as "gravitational lensing" to track the movement of stars through their gravitational field's distortion, causing them to bend light. The scientists caution that they only had access to two gravitational lenses. There's a large margin for error here.

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A human college student meets one of the Wonderbolts. Every story I write I get hate fully flamed and little to no constructive advice. So if you don't like the story for the story then say that if you are just going nit pic at garmmar of some one with fucking aspurgers a mental diorder then shut up and

Last week, NASA released the latest image of Tycho's supernova remnant (also called "Tycho"). The photo, taken by the Chandra X-Ray Observatory, looks a bit like an opalescent dandelion.

"You look at this image, and it sort of looks like it's cotton candy," says Brian Williams, a NASA astronomer who helped take the latest photograph of the supernova remnant. Scientists use these cosmic fireworks to understand and test theories of supernovae. Currently, astronomers don't know all that much about how supernovae form, Williams adds, or how the the explosion progresses. Further, understanding the mechanism that creates the outburst's distinctive shape— described as "fluffy" and "clumpy"—has been particularly baffling.

Tycho is classified as a Type 1a supernova—it underwent a massive thermonuclear explosion, letting off a shockwave that moved at almost 3,100 miles per second. The wave hit nearby gas and dust, heating the air and particles by millions of degrees. The human eye can’t pick up on any of this action, but the activity shines bright in X-ray photographs (X-rays have higher energy than visible light, and tend to come from extremely hot objects, like black holes, galaxy clusters, and supernovae).

Scientists discover oldest galaxy cluster

  Scientists discover oldest galaxy cluster Astronomers have discovered a 13-billion-year-old galaxy cluster that is the earliest ever observed, according to a paper released Friday, a finding that may hold clues about how the universe developed. Such an early-stage cluster -- called a protocluster -- is "not easy to find", Yuichi Harikane, a researcher at the National Astronomical Observatory of Japan who led the international team, said in a press release.

This has made a lot of people very angry and been widely regarded as a bad move.” ― Douglas Adams, The Restaurant at the End of the Universe .

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This image of Tycho "is visually striking, and also scientifically meaningful," says Gilles Ferrand, a physicist who uses data to build 3D visualizations of supernovae. "It's not the first time we got an image from Tycho. But there's something new in this image that's interesting."

That “new” thing is the blue and red in the center of the photo. Most of the colors in the shot—red, yellow, cyan, navy blue, purple, and orange—represent different energy levels as viewed through the x-ray telescope (red and yellow being the lowest, orange and purple being the highest). In this new photo of Tycho, scientists were also able to isolate and visualize a specific element: silicon—the clumps of blue in the center represent the silicon moving toward us, and the red is the silicon moving away.

Scientists have two potential explanations for how the Tycho remnant formed these fluffy balls. The first posits that the explosion was originally round and smooth, and as it expanded, fluid instability (between the particles in space and the matter from the explosion) caused those misshapen lumpy bits. The second possibility is that it was clumpy from the get-go. In that scenario, the dying star didn’t just undergo one single major explosion, but many. In the first model, the white dwarf is like a nuclear bomb; in the second, it’s like millions of sticks of dynamite.

Is the Milky Way Galaxy Getting Gassier? A New Study Says Yes

  Is the Milky Way Galaxy Getting Gassier? A New Study Says Yes An excessive amount of gas has been discovered flowing into the Milky Way galaxy—though the reason behind the phenomenon remains a mystery. According to a news release from NASA's Hubblesite, about 10 years' worth of data from the Hubble Space Telescope shows there has been more gas coming in than out, said Andrew Fox, an astronomer and lead author of a forthcoming study for The Astrophysical Journal.When employing Cosmic Origins Spectrograph (COS) technology through the telescope, gas heading away from the galaxy appears redder, while gas coming toward it appears bluer.

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Researchers from the Max Planck Institute for Solar System Research and the University of Göttingen continually measured the routine expansions and contractions of the star for four years (which is done by tracking its relative brightness). They found that 11145123 is a mere 3 kilometers wider at its

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Using what Williams called a “complicated image analysis technique,” scientists examined the number of chunks and holes in the image (looking at where they appear, where they don’t, and how big they are). From all of this data, they were able to build a mathematical map of these clumps. When astronomers compared that map to a simulation of a supernova, they discovered that the second option—the millions of sticks of dynamite exploding at once—was more likely.

These clumps are rich in heavy elements like iron and silicon. This makes sense based on what scientists know about how the universe was formed. Initially the expanse was made up only of simple light elements, like hydrogen and helium. Most heavy elements formed inside the stars, synthesized during these supernova explosions. The bursts also sent them flying throughout the galaxy. When the next generations of stars form, they form out of this matter.

“You’ve heard the famous saying ‘We’re all made of stardust’?” says Williams. “That’s literally what you’re seeing right here.”

Henry Cavill on Superman: ‘I’ve Not Given Up the Role’ .
Henry Cavill on Superman: ‘I’ve Not Given Up the Role’Or so says Henry Cavill, who portrayed the superhero beginning with “Man of Steel” in 2013 and most recently, in the failed 2017 movie “Justice League.” The “Witcher” actor is insisting his time as the DC character isn’t over.

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