Social Media Sidebar

Announcement

Please sign up, comment on articles and bring your friends!

Current poll

PlanetTech is asking:

What do you think about our new web site?

Love it, indeed
Really good solution
Same as old one
The old one was better
This is a new option

Quote of the day

People say we're running out of energy. That's only true if we stick with these old 19th century technologies. We are awash in energy from sunlight.

 

Ray Kurzweil

 

Einsteins gravity theory passes toughest test yet

RATE THIS! +10
Posted in Science on 27th Apr, 2013 12:16 AM by AlexMuller

A strange stellar pair nearly 7,000 light-years from Earth has provided physicists with a unique cosmic laboratory for studying the nature of gravity. The extremely strong gravity of a massive neutron star in orbit with a companion white dwarf star puts competing theories of gravity to a test more stringent than any available before.

 

Once again, Albert Einstein's General Theory of Relativity, published in 1915, comes out on top.


At some point, however, scientists expect Einstein's model to be invalid under extreme conditions. General Relativity, for example, is incompatible with quantum theory. Physicists hope to find an alternate description of gravity that would eliminate that incompatibility.


A newly-discovered pulsar—a spinning neutron star with twice the mass of the Sun—and its white-dwarf companion, orbiting each other once every two and a half hours, has put gravitational theories to the most extreme test yet. Observations of the system, dubbed PSR J0348+0432, produced results consistent with the predictions of General Relativity.


The tightly-orbiting pair was discovered with the National Science Foundation's Green Bank Telescope (GBT), and subsequently studied in visible light with the Apache Point telescope in New Mexico, the Very Large Telescope in Chile, and the William Herschel Telescope in the Canary Islands. Extensive radio observations with the Arecibo telescope in Puerto Rico and the Effelsberg telescope in Germany yielded vital data on subtle changes in the pair's orbit.


 



Read original article » Back to category

Comments

Author: Guest
Posted: 2013-04-27
+5
I am like you rosebud, this is not one I sit around thinking about on a daily basis but apparently there are scientists that do. This is a mighty lot of research just in an attempt to disprove the Einstein theory, think maybe some people have a mental issue. Reply
Author: Guest
Posted: 2013-06-12
+0
Hello! ddbedak interesting ddbedak site! I'm really like it! Very, very ddbedak good! Reply
Author: Guest
Posted: 2013-06-12
+0
Very nice site! Reply
Author: Guest
Posted: 2013-06-12
+0
Hello! eecafcd interesting eecafcd site! I'm really like it! Very, very eecafcd good! Reply
Author: Guest
Posted: 2013-06-12
+0
Very nice site! Reply


 

Recent headlines

  • Posted in Business on 2017-08-23 12:57:37
    Microsoft unveils Brainwave, a system for running.....read more
    Posted in Science on 2017-08-23 12:54:12
    Global Solar Capacity Set to Surpass Nuclear..read more
    Posted in Business on 2017-08-23 12:50:10
    Ethereum leads AMD and Nvidia GPUs to a historic quarter..read more
    Posted in Software on 2017-08-23 12:45:25
    Android Oreo released by Google..read more
    Posted in Business on 2017-08-22 18:43:15
    Beyond Rooftops: States Move to Encourage Community Solar..read more
Posted in Business on 2013-10-10 01:33
China is working towards a manned lunar mission in about.....read more
Posted in Business on 2013-10-20 07:17
Spacex says China is their main competitor for commercial.....read more
Posted in Software on 2013-10-20 06:43
Pirate Bay Browser Clocks 1,000,000 Downloads..read more
Posted in Medicine on 2013-10-10 02:10
Google reportedly investing hundreds of millions into new.....read more
Posted in Medicine on 2013-10-14 03:13
Endothelial Cells Can Repair and Regenerate Organs,.....read more
Posted in Science on 01.01.2010
Spacex says China is their main competitor for commercial.....read more
Posted in Science on 01.01.2010
Staring at Your Phone Could Be Making You Short Sighted..read more
Posted in Science on 01.01.2010
Oculus Rift virtual reality headset coming to mobile, but.....read more
Posted in Science on 01.01.2010
China is working towards a manned lunar mission in about.....read more
Posted in Science on 01.01.2010
Delivering drugs via nanoparticles to target mitochondria..read more

Recent Blog Posts

  • Posted by AlexMuller
    Scientists probe Neptune's depths to reveal secrets of icy.....read more
    Posted by AlexMuller
    New terahertz imaging approach could speed up skin cancer.....read more
    Posted by AlexMuller
    Rebutting the claim that antidepressants do not work..read more
    Posted by AlexMuller
    Artificial neural networks decode brain activity during.....read more
    Posted by AlexMuller
    Four Earth-sized planets detected orbiting the nearest.....read more

Login to your Account

Login to your PlanetTech Account here

Username:
Password:
Remember me
or

Create a New Account

You just need username and password

The following errors occured:
Username:
Email:
Password:
Verify password:
Remember me