There’s No Up or Down in Space? Not So Fast
2013 10 01

By Michael D. Lemonick | TIME

Astronomers love to remind us that there’s no up or down in space. Look out into the depths of the universe and you’ll see galaxies floating edge-on, face-on and at every angle in between. Look at planets circling stars within the Milky Way, and their orbits might be oriented in any direction at all.


But for one class of celestial objects this seems to be untrue: planetary nebulae, the gorgeous clouds of gas puffed by stars in their last, gasping moments of life, seem to be mysteriously aligned with the plane of the Milky Way—something that Bryan Rees, an astronomer at the University of Manchester in England, and lead author of a paper in an upcoming issue of Monthly Notices of the Royal Astronomical Society calls “quite unexpected.”

That’s putting it mildly. Most planetary nebulae are roughly spherical; they’re not visibly “aligned” with anything. One especially spectacular subclass, however, is more hourglass-shaped, and when Rees and his colleague Albert Zijlstra examined this particular kind, the long dimensions of the clouds pointed more or less in the same direction. “They’re not exactly aligned,” he says, “but they’re not random.”

The question is, why?

[...]

Read the full article at: science.time.com



Related Articles


Latest News from our Front Page

Former Chief Security Officer for NewsCorp: N. Koreans Not Behind Sony Hack, Interview Leak
2014-12-20 2:17
Hemanshu Nigam, a former federal prosecutor and former chief security officer for NewsCorp/Fox studios, says North Korea isn’t behind the Sony Hack. Nigam gave several bullet points for why the hack was likely an inside job. Attack code borrowed from a previous attack on Seoul, that’s why it’s in Korean. Private hackers typically borrow malicious code from other hackers.Nations state attacks follow ...
Sony Fires Back at Obama: Actually We Did Call the White House – Several Times
2014-12-20 2:13
Sony fired back at Obama after the press conference saying they had several conversations with the Obama White House before and after the movie was canceled. Via The Hollywood Reporter: After President Obama criticized Sony for its decision to cancel The Interview's release after theater chains decided not to show the film, the studio has issued a statement elaborating on the move. “The ...
The Bankster International
2014-12-20 1:55
Geopolitical analysis, the art of explaining power relationships through the prism of impersonal geography, can be a helpful tool for observers of the Great Game – but it also has its limitations. A case in point is the renewed US-Russia confrontation. Think tanks and policy insiders easily sell the narrative that from the dark days of the Cold War to ...
Another banker dies under suspicious circumstances
2014-12-20 1:09
52-year-old Belgian Geert Tack – a private banker for ING who managed portfolios for wealthy individuals – was described as ‘impeccable’, ‘sporty’, ‘cared-for’, and ‘successful’ and so as Vermist reports, after disappearing a month ago, the appearance of his body off the coast of Ostend is surrounded by riddles… Impeccable. Sporty. Cared for. Successful. Just some qualifications that are attributed to ...
NATO increases military presence on Russia’s borders
2014-12-20 1:14
The Pentagon has confirmed the military buildup along Russia’s borders to ensure long-term “peace and stability” in the region. Earlier Moscow accused NATO of a sharp increase in air activity and intelligence flights in the border zone. Replying to RIA Novosti’s query on the increased number of NATO flights around Russia’s borders, a Pentagon representative told the news agency that the military ...
More News »