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Is Gliese 581g trying to 'communicate' with us?

  • Seanie_Morris
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13 years 8 months ago - 13 years 8 months ago #86730 by Seanie_Morris
Here's an interesting revelation following the announcement of Gliese 581g, a planet nearly 4 times that of Earth circling Gliese 581 in its 'Goldilocks Zone' nearly two weeks ago - a signal might have been received from its neighbourhood...

www.space.com/scienceastronomy/gliese581...ht-pulse-101008.html

What do you think? Classic sci-fi or something else?

Seanie.

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.
Last edit: 13 years 8 months ago by Seanie_Morris.

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13 years 8 months ago #86732 by dmcdona
Drake is suspicious - speaks volumes really...

To be honest, it'd be great if were true. We could all go live there and get out of this particular basket case planet. Of course - that would assume two main points:

1. They'd have us
2. They don't have a parallel Bertie/Cowan/Molloy/Fingleton etc and are up the swanny themselves

But we can dream and hope nonetheless...

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13 years 8 months ago #86735 by phoenix
I get those light pulses all the time and usually run a hot pixel routine to get rid of them :laugh:

Goldilocks zone of a red dwarf? Can't remember but what is a stars lifespan as a red dwarf? Would a planet have time to evolve an intelligent race given that it spent most of the time in deep freeze prior to red dwarf stage?

Kieran
16" ODK (incoming), Mesu Mount 200, APM TMB 80mm, SXV H16, SXV H9
J16 An Carraig Observatory
ancarraigobservatory.co.uk/

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13 years 8 months ago #86737 by dmcdona
phoenix wrote:

Would a planet have time to evolve an intelligent race given that it spent most of the time in deep freeze prior to red dwarf stage?


Earth has had 5 billion years and there's still no unequivical evidence of intelligent life... :dry:

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13 years 8 months ago #86739 by Seanie_Morris
Replied by Seanie_Morris on topic Re:Is Gliese 581g trying to 'communicate' with us?
dmcdona wrote:

phoenix wrote:

Would a planet have time to evolve an intelligent race given that it spent most of the time in deep freeze prior to red dwarf stage?


Earth has had 5 billion years and there's still no unequivical evidence of intelligent life... :dry:


I like it! :)

Kieran,
the red dwarfis a cooler, smaller and fainter star than our Sun but considering that Gliese 581g orbits 0.16 AU away (in 37 days) it lies in that system's 'not too hot, not too cold' region for life to begin on the planet...

It's all relative. If we were 1 AU away from our Sun as if it were a red dwarf then yes, none of us would be here yet a thriving high pitched-voiced Metropolis might exist on Mercury instead.

Seanie.

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.

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13 years 8 months ago - 13 years 8 months ago #86744 by dave_lillis
Replied by dave_lillis on topic Re:Is Gliese 581g trying to 'communicate' with us?
hang on, dont red dwarf star have very long life spans?, some over twice the life of our sun?
and if its in that stars goldilocks zone, it means it has a similar temperature range to our own planet. The distance and size of the zone is dependent on the star in question.

so could there be some sort of life on that planet, possibly.... with alot of ifs....
did anyone see a light pulse from this system?, not likely,
If it was real, then it should be easily repeatable.

Go read the article in Seanie's link, its not convincing at all.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor
Last edit: 13 years 8 months ago by dave_lillis.

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