Temperate exo-earths cluster around 2 earth-radii

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DeltaV
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Temperate exo-earths cluster around 2 earth-radii

Post by DeltaV »

http://exoplanetarchive.ipac.caltech.edu/
<img> http://exoplanetarchive.ipac.caltech.ed ... adtemp.png [/img]
Dr. Scholl's stock price skyrockets. Just kidding.

Editor - try shrinking the image so it doesn't cause page bleed. I hate page bleed and have been editing it since the beginning.

ladajo
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Post by ladajo »

I think this data interpretation is purely a function of our current technical ability. I predict that with the onset of better detection capabilities we will see a rise in the number of smaller planetary detects.
If you look at the history of detects, you can see that we started seeing the big stuff, and as we got better, we starting seeing more and more small stuff.
We are not yet done in the 'getting better tech' department to find them, and over the next ten years, there will be a plethora of 1.0 and smallers that we have not yet been able to see because our 'glasses' have not been good enough.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

KitemanSA
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Post by KitemanSA »

Note that we CAN detect smallers, but they have to be close in (i.e., HOT) to detect them. Ladajo has it right. Better equal cooler, in multiple ways.

bennmann
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Post by bennmann »

Random slightly relevant fact:

If a planet were just a few percentage points more water than iron than earth, 1g surface gravity is plausible for significantly bigger radii than earth and you can keep that radiation shielding life needs.

If you have a planet that is mostly water to the core, radiation would prevent surface life but the planet is ~2.2 times bigger than earth with 1g surface gravity.

kcdodd
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Post by kcdodd »

If it's all water, what surface are you talking about. Water is pretty good at shielding radiation.
Carter

paperburn1
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Post by paperburn1 »

kcdodd wrote:If it's all water, what surface are you talking about. Water is pretty good at shielding radiation.
Intelligent octopus ruling the great water domain. i like it.

KitemanSA
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Post by KitemanSA »

paperburn1 wrote:
kcdodd wrote:If it's all water, what surface are you talking about. Water is pretty good at shielding radiation.
Intelligent octopus ruling the great water domain. i like it.
Please, stay on topic, a Polyhedropus!

bennmann
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Post by bennmann »

kcdodd wrote:If it's all water, what surface are you talking about. Water is pretty good at shielding radiation.
Cthulhu......

ladajo
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Post by ladajo »

The horror...
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)

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