re: frozen hydrazine
Ok, I'm sorry for reading (and even comphending) along and even posting, but I understood all that you were discussing and for the sake of discussion it's all good and I'm sure something was gained from it (contraction of Hydrozine, etc...which I get, btw), anyways, thanks Doug and Jim O. for reading and posting here.
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I'm married to an aircraft jet engine engineer and I am trying to 'softly' engage my son to get into the aeronautics engineering field if not Astronomy.
Nonetheless, thanks.