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Nearby star may have nine extrasolar planets


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#1    Saru

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Posted 07 April 2012 - 11:26 AM

At 127 light years distant the HD 10180 system shares many similarities with our own Solar System.

Discovery News said:

In 2010, a star 127 light-years away stunned the world -- it had become the largest star system beyond our own, playing host to five, possibly seven, alien worlds. Now, the star (called HD 10180) is back in the headlines; it may actually have nine exoplanets orbiting it.

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#2    Abramelin

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Posted 07 April 2012 - 12:58 PM

"The 1.4 Earth-mass exoplanet has an orbital period of only 1.2 days. The two new super-Earths also have very tight orbits, where their "years" last only 10 and 68 days. Therefore, any question of life (as we know it) existing on these worlds is moot -- they will likely be hellishly hot, with no chance of liquid water existing on their surfaces. It's debatable whether these worlds could hold onto any kind of atmosphere as they would be constantly sandblasted by intense stellar winds."


#3    Taun

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Posted 07 April 2012 - 04:35 PM

I can't even imagine a 1.2 day long orbital period.... The planet must be right on the edge of the stellar corona...


#4    pallidin

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Posted 07 April 2012 - 04:55 PM

It just amazes me that they can find these systems. I'm old enough to recall that speculation of other solar systems was like heresy. Of course back then current technology did not exist.


#5    Zaphod222

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Posted 08 April 2012 - 02:46 AM

I hope they find humanoid life on all of them. That would really put a spanner into the works of religious nuts world wide...


#6    Hazzard

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Posted 21 May 2012 - 05:28 PM

Oh no :unsure2:  now we dont just have one planet to fight about whos God is better,... Imagine if the universe is filled with crazy humans.

I still await the compelling Exhibit A.

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#7    spud the mackem

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Posted 21 May 2012 - 10:15 PM

In reverse its only a matter of time before some astronomer far away finds US, what then ? we are the third "exo-planet" which may contain water and life...and they are looking for a planet as a possible site to go to before their world goes duff...

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