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Space

Super-Earths Discovered Orbiting Nearby, Sun-Like Star 242

likuidkewl writes "Two super-earths, 5 and 7.5 times the size of our home, were found to be orbiting 61 Virginis a mere 28 light years away. 'These detections indicate that low-mass planets are quite common around nearby stars. The discovery of potentially habitable nearby worlds may be just a few years away,' said Steven Vogt, a professor of astronomy and astrophysics at UCSC. Among hundreds of our nearest stellar neighbors, 61 Vir stands out as being the most nearly similar to the Sun in terms of age, mass, and other essential properties."

Comment Re:Seems credible to me (Score 1) 198

well, since we lack a formal definition of "emergence", it is not so easy to measure. Sure, we can measure the appearance of a given phenomena previously determined to be "emergent", but we have no way of determining automatically what phenomena are in fact emergent, and which are just normal consequences of the design choices behind the game. Rocket Jumping, in FPS, for example... is it an "emergent" behaviour? Its emergence, depends only on it being included as a design choice or not?

If this is so, then anything not included in a precompiled list of possible behaviours and phenomena would be emergent.

Entropy is another thing, it can help measure order/disorder, and maybe the amount of "random stuff" happening, but to be an emergent phenomena ()in any relevant sense), it has to be interesting to an observer (or, in context, it has to be "fun"), and that criteria is not formally state-able (is that a word!? IANA Native English Speaker), at least as far as i know...

Would love to hear comments on formal definitions of emergence, specifically if it applies to providing a formal criteria to identify it.

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