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Strange 'Lava World' Is Most Earthlike Alien Planet Yet

 
Anonymous Coward
User ID: 49215461
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10/31/2013 01:49 AM
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Strange 'Lava World' Is Most Earthlike Alien Planet Yet
"A puzzling alien planet is the closest thing to an Earth twin in size and composition known beyond our solar system, though it's far too hot to support life, scientists say."

[link to news.yahoo.com]
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10/31/2013 06:43 AM

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Re: Strange 'Lava World' Is Most Earthlike Alien Planet Yet
Earth-sized 'lava world' discovered

But measuring the planet's mass involved tracking the motion of the star itself. Depending on its mass, a planet can exert a gravitational tug on its star. This stellar motion can be detected as a very slight wobble, known as a Doppler shift.

The results suggest Kepler 78b is about 1.2 times the size of Earth, and 1.7 times as massive. From the same measurements, the astronomers calculated the planet's density as 5.3 grams per cubic centimetre, close to the 5.5 grams per cubic centimetre value for Earth.

[link to www.bbc.co.uk]
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10/31/2013 06:48 AM

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Re: Strange 'Lava World' Is Most Earthlike Alien Planet Yet
"A puzzling alien planet is the closest thing to an Earth twin in size and composition known beyond our solar system, though it's far too hot to support life, scientists say."

[link to news.yahoo.com]
 Quoting: Anonymous Coward 49215461


The composition seems to be more Mercury-like than Earth-like, IMO.
It's a tough galaxy. If you want to survive, you've gotta know...where your towel is.

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