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Old 07-28-2012, 02:02 PM
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Default A home from home: Five planets that could host life

http://www.bbc.co.uk/news/science-environment-19008908
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Old 07-28-2012, 03:49 PM
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I'm just not convinced that planet hunting for this purpose will pan out. Our tech doesn't tech the size planets we need. It needs a tech revolution to see planets in the glare of stars with longer periods orbits.
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Old 07-28-2012, 04:44 PM
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I thought we can see the sizes we would need to see, and longer orbits simply need more time...
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Old 07-28-2012, 04:55 PM
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From what I understand much of our detection process deals with wobble effect and dim effect.
Wobble only detects particularly large planets
Dim Effect detects short period close orbiting planets like Mercury.

Many stars aren't being viewed on their ecliptic plane so it reduces the use of dim effect for planetary transits across the suns.
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Old 07-28-2012, 05:21 PM
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Be nice if we could instantly somehow send probes to places like these for a look see. One day far far in the future perhaps.
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Old 07-28-2012, 06:13 PM
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The idea would be now that we know these planets are there to start designing and building interstellar probes now to the best candidates. We have the know how to get them there in 60-70 years from 6-10 lightyears out.

The probe would have to be completely autonomous, a virtual artificial intelligence that would seek out worlds as they were discovered, or where signs point to a greater probability of life and litterally explore a solar system and then move on to the next likely star system sending back up dates on it's discoveries.

You could use a probe with a massive hydrogen collector and never have to refuel. It's a big project yeah but it's do able.
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Old 07-29-2012, 06:32 AM
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How long have the Voyager probes been on the way - and they are still just leaving the neighborhood XD
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Old 07-29-2012, 07:43 AM
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Voyager 1's current speed is a very slow 3.5 AU a year.
At this speed it will take Voyager 14,000 more years to even reach a single light year.
That's 38,000 mph[ 61,400 km/h or 1,023 kps

We're talking INTERSTELLAR PROBES
They will travel at a fraction of the speed of light. 10%c
29,979,245.8 kps

That's 10 years to travel a lightyear
Without humans it could accelerate at will as an interstellar ram jet.
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Old 07-29-2012, 02:13 PM
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Damn that's slow!
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