New Theory: The Universe Isn’t Expanding, It’s Just Gaining Mass
2013 07 26

By Francie Diep | POPSCI



But you’d never know, because everyone is getting more massive at the same time.

Whoa. One cosmologist is proposing that the universe isn’t actually expanding, as the standard theory goes. Instead, the redshift effects astronomers see could mean that everything is just gaining more mass, while possibly staying in place, or even contracting.

The theory, which comes from a University of Heidelberg physicist named Christof Wetterich, hasn’t yet been peer reviewed, Nature News reports. Interestingly, Nature News also reports that the idea isn’t testable because masses are measured relative to one another, so even if the universe were gaining mass, we’d never know, because they’d all still be the same relative to one another.

Nevertheless, Wetterich told Nature News that the advantages of his idea include: 1) another way of looking at the universe, which could be helpful, and 2) a theory of the universe that helps explain some troublesome predictions from the standard expansion idea.

A mass-gaining universe could create a phenomenon that astronomers see every day: the redshift the light coming from distant galaxies, Nature News explains. Currently, astronomers interpret that redshift as a sign that the universe is expanding.

Nature News also covers other physicists’ reactions to Wetterich’s idea. Some say it’s worth considering, and worth shaking up cosmologists’ views. Others aren’t as convinced.

[Nature News]

Article from: popsci.com




Related Articles
BBC Horizon 2005: The Hawking Paradox (Big Bang)
Revised theory of gravity doesn’t predict a Big Bang


Latest News from our Front Page

Tiny Micro Robots Build Things in ‘Microfactory’
2014 04 17
The teenie-weeniest robot uprising ever might be sooner rather than later due to the work of research institute SRI. Don’t let these microbots’ size fool you, there is power in numbers and thousands of the robots can work together to perform tasks at dizzying speed. From ReCode.net: SRI International has developed a new generation of ant-like robots that can work as ...
’We are not dead yet’: Heartbreaking text messages sent from schoolchildren trapped aboard South Korean ferry
2014 04 17
Passengers on board the South Korean ferry sent heartbreaking messages to their family members just moments before it sank. Children waiting to be rescued frantically reached for their phones as the boat began to list in a bid to communicate with their loved ones a final time. Twenty-four people, including five students and two teachers, have been found dead, but 272 are ...
"A world of pure imagination": How Occupy turned to "anarchy"
2014 04 17
In the closing ceremonies of London’s 2012 Summer Olympics, comedian Russell Brand, perched atop the Beatles’ "Magical Mystery Tour" bus, opened his performance by singing the first lines of "Pure Imagination" from the movie Willy Wonka: Come with me And you’ll be In a world of Pure imagination ...
Artists ’have structurally different brains’
2014 04 17
Artists have structurally different brains compared with non-artists, a study has found. Participants’ brain scans revealed that artists had increased neural matter in areas relating to fine motor movements and visual imagery. The research, published in NeuroImage, suggests that an artist’s talent could be innate. But training and environmental upbringing also play crucial roles in their ability, the authors report. As in many areas ...
NSA-proof email service goes online
2014 04 17
A new email service that protects its users from the prying eyes of the NSA and other spy agencies has gone online. The service’s creators say it will make encrypted messaging accessible to all and curtail internet snooping. Germany-based Lavaboom was inspired by Lavabit, the encrypted email service that was believed to have been used by whistleblower Edward Snowden before it ...
More News »