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Every star has planets, new study suggests

Posted on Thursday, 12 January, 2012 | Comment icon 13 comments | News tip by: Still Waters


Image credit: NASA

 
A team of scientists has found evidence to suggest that every star in the universe has planets.

"Just the recent 15 years have seen the count of known planets beyond the Solar System rising from none to about 700, but we can expect hundreds of billions to exist in the Milky Way alone," said study co-author Dr Martin Dominik. The team used a technique called gravitational microlensing to pick up the presence of planets of all sizes around distant stars.

"Every star twinkling in the night sky plays host to at least one planet, a new study suggests."

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 Source: BBC News


  Discuss: View comments (13)

   


 
Recent comments on this story
Comment icon #4 Posted by 747400 on 12 January, 2012, 16:44
Is there any agreed theory on how the star Sol acquired as many planets as it did? And does anyone try to insist that it must be very special and unique, and if they do, what grounds do they base this assertion on? Is it not quite likely based on mere probability alone that similar systems might actually have developed around the great majority of Stars?
Comment icon #5 Posted by volantis on 12 January, 2012, 18:04
It should be a no-brainer that all stars have planets. Stars form either from remnants of supernovas or from accretion of dust. Of course there will be planetary bodies forming in orbits around stars. The anomaly would be the absence of planets.
Comment icon #6 Posted by Timonthy on 12 January, 2012, 20:50
What sort of definition did you have in mind? There's a whole range of kinds of Planet in our own solar system; small rocky ones, gas giants, ones that are made of liquid methane & so on. Comets/ asteroids/dwarf planets etc. Those other than what make up the 'obvious' planets in our solar system.
Comment icon #7 Posted by marcos anthony toledo on 12 January, 2012, 23:40
So now it is official our solar system is not rare. All stars seem to have planets increasing the chances of finding habitable planets. Get news for our chances of finding intelligent life what a wonderful time to be alive.
Comment icon #8 Posted by Xanthurion2 on 13 January, 2012, 6:17
if that is true then there can be no doubt we are not alone in the universe
Comment icon #9 Posted by Harte on 13 January, 2012, 13:33
This is an absolutely mind-blowing dfiscovery! That is, obviously, people have long hypothesized the "what if" concerning how many planets might be out there, but this is very close to confirmation of our wildest dreams. That being said: It should be a no-brainer that all stars have planets. Stars form either from remnants of supernovas or from accretion of dust. Of course there will be planetary bodies forming in orbits around stars. The anomaly would be the absence of planets. It should be pointed out that, last I checked, no solution to the "three body problem" has been found. This problem ... [More]
Comment icon #10 Posted by Englishgent on 13 January, 2012, 14:51
It should be a no-brainer that all stars have planets. Stars form either from remnants of supernovas or from accretion of dust. Of course there will be planetary bodies forming in orbits around stars. The anomaly would be the absence of planets. I agree
Comment icon #11 Posted by Device on 13 January, 2012, 22:11
Of course the universe is full of life. People deduced that a long time ago. And still others have seen and even met these 'others'. But I guess some people still need their video footage and photos [which they will still doubt].
Comment icon #12 Posted by badeskov on 14 January, 2012, 13:06
Of course the universe is full of life. People deduced that a long time ago. And still others have seen and even met these 'others'. But I guess some people still need their video footage and photos [which they will still doubt]. What people might that be? Certainly not scientists. They have deduced they the Universe might be full of life - or might not. We just don't know. These 'others' certainly require evidence. Just a little more than a hundred years ago people believed in elves, gnomes and fairies. We even had photographic 'evidence' of the latter. So yeah, you are damn right we need evi... [More]
Comment icon #13 Posted by kaptn k on 15 January, 2012, 1:02
I've thought for a long time that all stars had planets revolving them. I also believe that the fact that there are billions(?) of stars in our universe that our Earth can't possibly be the only planet sustaing intelligent life. The odds are in favor of other life. Will we today ever meet them, most likely not. Will humans ever meet them (if we haven't already) only time will tell. Well that, and if we don't exstinguish our species with nuclear war before it could happen.


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