Milky Way is warped and twisted, not flat

Milky Way is warped and twisted, not flat

Looking at the Cepheids over time you can see the stars pulse, sometimes dipping or increasing in brightness.

Burning their fuel quickly, those pulsating stars that live fast and die young are 100,000 times brighter than the Sun.

He likened determining the real shape of the Milky Way to standing in his garden trying to work out what Australia looks like. But, for the past 50 years there have been indications that the hydrogen clouds in the Milky Way are warped.

Like any galaxy, our home in outer space is made up of a collection of stars, planets, dark matter and other space junk. "This offers new insights into the formation of our home galaxy", said Richard de Grijs, a professor at Macquarie University.

The research team showed, with the help of the Cepheids, how the Milky Way isn't a flat cosmic disk shaped like a lipless frisbee or a pancake, but instead it's markedly warped into an S-like shape.

A team of astronomers from the Macquarie University in Australia and the Chinese Academy of Sciences have mapped out the Milky Way using 1,339 "standard stars".

British IS hostage John Cantlie believed to be alive
Wallace told reporters in London that the British government believes Cantlie is still being held by ISIS . He has worked for several publications, including The Sunday Times , The Sun and The Sunday Telegraph .

1 arrested, arson suspected in Paris fire
The last fire of this magnitude took place in 2005 at a hotel near the Paris Opera, which killed 24 people including 11 children. The couple resided on the 8th floor of the apartment building, while four other Filipinos resided on the first and third levels.

Serial killer in Toronto staged photos of victims, says prosecutor
The court also heard that McArthur was likely moments away from murdering a ninth man from when police moved in to arrest him. Investigators found Kinsman's calendar with the entry titled "Bruce" dated June 26, 2017 - the day he disappeared.

The billions of star and galactic bodies that make up a galaxy rotate around its center, making a complete orbit once every few hundred million years, according to Eureka Alert.

"It is notoriously hard to determine distances from the Sun to parts of the Milky Way's outer gas disc without having a clear idea of what that disc actually looks like", said Xiaodian Chen from the Chinese Academy of Sciences in Beijing. Combined with a Cepheid's observed brightness, its pulsation period can be used to obtain a highly accurate distance. You can see their final plot in the video below, published in Nature Astronomy.

The Milky Way galaxy's new shape has a twist - exaggerated here for effect.

From the 3D distribution map, researchers found that the new derived stellar disc is warped in a progressively twisted spiral pattern, with an S-shape. They have found that the Milky Way is not exactly as artist's impressions might have you believe - it's actually twisted and warped, bending at the edges.

"So the massive inner disk's rotational force causes the outer disk to warp, the researchers concluded."This research provides a crucial updated map for studies of our galaxy's stellar motions and the origins of the Milky Way's disk", said Licai Deng, co-author and senior researcher at the Chinese Academy of Sciences, in a statement". But as you move toward the outermost reaches of the galaxy, the gravitational glue of the centre fades. They assumed that like the neighboring Andromeda, Milky Way is a neat flat disk with orderly spiral arms. Since hydrogen atoms in the far outer disk are no longer confined to a thin plane, they get warped.

Related News:

Most liked

LeBron James Sounds Off On Instagram After Harrison Barnes Traded Mid-Game
Randolph, a 37-year-old veteran center/forward, is in his 17th National Basketball Association season. Barnes could accept that player option and return to the Kings next season for $25 million.

Trump taps fierce World Bank critic to take its helm
Malpass worked as the chief economist at Bear Sterns when the investment bank tanked during the 2008 financial crisis. Malpass' candidacy for the Bank and that his discussions have been taken into account in deciding to nominate Mr.

Six Nations: Win in Dublin sets up titanic Wales v England clash
Scrum-half Conor Murray reckons Ireland's sluggish start cost them dearly. "We are nowhere near our best". "We did steady the ship a bit and got back into it but then we were a bit flat coming out".

Explained: Why RBI’s decision to cut repo rate comes as a surprise
It, however, warned about upward risks to inflation including the proposals in the Union budget that may be inflationary. It said the interim budget proposals will boost demand by raising disposable incomes but may take time to play out.

Eden Hazard to tell Chelsea FC about Real Madrid decision
The playmaker has always been linked with a move to Spain, and told French radio station RMC he has made a decision on his future.

Heat deal two for Suns' Ryan Anderson
In an extremely interesting bit of news, it turns out Johnson isn't the only player heading to Phoenix. Johnson ranks second in Heat history with 19 career games scoring 20-plus points off the bench.

Windies want slow over rate policy review
West Indies and England are slated to play the third Test from February 9 to 13 at the Darren Sammy National Cricket Stadium. That clinched the series 2-0, the West Indies' first against England in 10 years.

HSE warns of measles outbreak in Donegal
There is one additional King County measles case, who contracted the disease after traveling to Clark County. There were 200 vaccinations given per day last year in that last week of January, and 600 per day this year.

A new 'Titanfall' game is in development
EA CEO Andrew Wilson said that the game peaked at almost 600,000 concurrent players by the middle of Tuesday, a day after launch. We estimate you'll need to reach between levels 30-35 to be able to unlock the two now locked characters - Caustic and Mirage.

Hugh Jackman Gets the Last Laugh Over Ryan Reynolds in Online Feud
I falt-out live for this on-going playfulness between the Wolverine from down under and Canada's Merc with a Mouth. Looking down the barrel of the camera, Jackman says: " Ryan Reynolds is a total fucking arsehole".

Nintendo to Offer Smaller Switch Console — Nikkei Newspaper
Total Switch sales have surpassed 32 million units as Super Smash Bros Ultimate sells over 12 million in less than one month. Nintendo made its first move into smartphone gaming in 2016, with the release of its Super Mario Run game.

Russia: Jehovah's Witness Sent to Prison For 'Extremist' Religious Beliefs Amid Crackdown
This is following the ban of the group by Russia's Supreme Court which described the group as extremist and ordered that it be disbanded nationwide.

Nissan will need to reapply for United Kingdom government funding: Greg Clark
Automotive manufacturers in the United Kingdom with diesel cars that fail to meet the latest emission standards now face a number of hefty levies.

Hua Hin Open 2019: Why Is Nick Krygios Upset with Yastremska's Win?
This was Yastremska's second WTA title while Tomljanovic is still awaiting her first WTA tournament win. The teenager won the opener 6-2, but then she lost the second set with the same scoreline.

Thibaut Courtois names the player club should sign ahead of Neymar
Courtois made the move to the Bernabeu in August in a deal that saw Mateo Kovacic join Chelsea on loan. That is not a question for me, but for the chairman and the management. "The team is what it is now".