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The Academics Thread


Pariah

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17 hours ago, Old Man said:

Fissure 8 has stabilized to the point where they're trying to figure out exactly where to put the viewing platform.

 

Good luck Pariah, bring that exam down with a clean headshot.

 

It wasn't quite a clean headshot, but it was a solid kill.

 

One down, one to go.

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A salt flat that stretches on for a hundred kilometers in every direction? Shoot, I know where to find one of those right here on Earth. I live next door to it.

 

As far as the bright red substrate that comes with it...well, I don't know of a specific terrestrial example, but I'd say that with the right depositional environment, it's feasible.

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5 hours ago, Cancer said:

So are you going to anoint yourself Lord of Plagioclase Feldspar and Millisecond Pulsars?

 

I'll put it on my C.V.

 

Edit: Maybe those should be two of my subdomains when I finally join the Superdraft in the next day or two....

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4 hours ago, Bazza said:

I was thinking more along the lines of metal hydrogen from Saturn.

 

maybe it was Jupiter. 

 

As a chemist, liquid metallic hydrogen is one of the strangest and most interesting things I've ever heard of.

 

(And it's Jupiter. I don't think Saturn is dense enough for LMH. Cancer?)

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Last I heard, Saturn was supposed to reach metallic hydrogen conditions in its deep interior, but in a smaller proportion of its volume.

 

My understanding is that it has been produced in the laboratory here, in diamond anvil cells.

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12 hours ago, Pariah said:

A salt flat that stretches on for a hundred kilometers in every direction? Shoot, I know where to find one of those right here on Earth. I live next door to it.

 

As far as the bright red substrate that comes with it...well, I don't know of a specific terrestrial example, but I'd say that with the right depositional environment, it's feasible.

 

Well, yes I know of the one you probably speak too.  

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Interesting little exercise for proving the Earth moves around the Sun, and estimating the size of the AU.  Probably upper-division undergrad level (as well as requiring some stuff most folks don't have for the data acquisition and measurement), though, and clearly not a one-semester project.

 

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I listened to a lecture about the Michelson-Morley experiment recently that mentioned this. Pretty interesting stuff.

 

(Actually, it was two lectures, and the Michelson-Morley experiment was only the topic of the second. The two lectures were both concerned with experiments to determine whether the Earth moved with respect to the ether or not.)

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14 hours ago, Cancer said:

Interesting little exercise for proving the Earth moves around the Sun, and estimating the size of the AU.  Probably upper-division undergrad level (as well as requiring some stuff most folks don't have for the data acquisition and measurement), though, and clearly not a one-semester project.

 

Link

 

I just remember in high school, in earth science class, when we had a section on astronomy, putting the solar system down on the hallway.  The sun was a circle on a piece of tape, while Pluto (still a planet damn it) was about 300 ft+ down the hallway and a barely perceptible dot on a piece of tape.  KInd of messes with your mind the vastness of space.  (at least me)

 

Note: Pluto was about 10 ft from the boy's bathroom, which might be a perfect metaphor for how the science community thinks of Pluto.  :angel:

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