Is Gyrochronology a Type of Photometric Measurement?

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Is gryochronology a type of photometric measurement or no?

I've got it listed as such under my class notes, but I don't see how it could be...
 
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Definitely not. You've got to have a spectrum to determine the rotation rate.
 

Thread 'Prove that evolution is constant (Provide at least two arguments to support your position)'

I don't get how to argue it. i can prove: evolution is the ability to adapt, whether it's progression or regression from some point of view, so if evolution is not constant then animal generations couldn`t stay alive for a big amount of time because when climate is changing this generations die. but they dont. so evolution is constant. but its not an argument, right? how to fing arguments when i only prove it.. analytically, i guess it called that (this is indirectly related to biology, im...
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