NASA Finds Hydrocarbons on Saturn's Moon Hyperion

NASA Website ^ | 07/04/2007 | Ruth Dasso Marlaire

[AndrewC]

Exercise: calculate the diameter of the cloud, assuming uniform density.

42

P.S. It was stated that the cloud was laced with cyanide, to the disappointment of aspiring interstellar dipsomanics.

Amaretto drinkers demur.

[Steely Tom]

Yawn.

[Steely Tom]

SteelyTom. You could have found a better (more courteous) way to debate the source of oil. Personal attacks never help and just make the other person unwilling to listen to anything else you say.

Help me out here. Where is my personal attack? I read over all my posts, and I don't see one. Give me a clue.

[TheOldLady]

Click the Disaster

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[dr_lew]

I can’t find the particular characterization I recall in connection with a molecular cloud. The original discovery of ethanol in space was in 1975, and my feeling is that my recollection dates from them.

In all these years it never occurred to me that these specifications determine the diameter until I mentioned it here. I realized that the ratio of the volume of the cloud to the sample volume with the “scoop” simply stands in the same ratio as the volume of the earth to the volume of a thimble, and this gives a formula which can be trivially solved for the diameter. With a 2cc thimble and a 1 acre football field, I get about 1/5 of a lightyear.