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Ybys - definition please

  • Diane ODonovan
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17 years 2 months ago #40178 by Diane ODonovan
Ybys - definition please was created by Diane ODonovan
I have encountered this term and cannot find a definition for it. Can anyone assist please?

:?

".. the Carthaginian captain Hamilar saw in Birttany about 600bc .. skin boats which were making (so he reported) the three hundred mile crossing to the holy island of Ierne (Eire)"

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17 years 2 months ago #40180 by dmcdona
Replied by dmcdona on topic Re: Ybys - definition please
Where did you encounter it Diane?

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17 years 2 months ago #40182 by mjs
Replied by mjs on topic Re: Ybys - definition please
Hi Diane,

I found it in several papers on interplanetary flight like like this one,

The rst yby at Venus on 26 April 1998 gave Cassini an extra 7 km/s or so, the third at Earth on 17 August 1999 added 5.5 km/s. The fourth and last yby, at Jupiter on 30 December 2000, added 2 km/s
and set Cassini on course to arrive at Saturn on 1 July 2004.


If this is the context you saw it in then I assume that it should read "flyby". You will also notice that whatever program converted these texts also dropped the "fi" from first (the second word). When I do a search of one of these documents there is no occurrence of "fl" anywhere in the documents, which seems odd. Strange :?:

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17 years 2 months ago #40188 by michaeloconnell
Replied by michaeloconnell on topic Re: Ybys - definition please
To me, it should be "flyby".
Can't see what else it would be.

I wonder would it be some issue of character recognition scanning in documents perhaps???

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17 years 2 months ago #40190 by pmgisme
Replied by pmgisme on topic Re: Ybys - definition please
Yup.Its plural.It's short for "Fly-bys".

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  • Diane ODonovan
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17 years 2 months ago #40215 by Diane ODonovan
Replied by Diane ODonovan on topic Re Ybybs
First, please ignore accidentally duplicated message about this 'ybys' thing.

Secondly - very disappointing.... the same word (and this time really a word) is found in an old document. No-one knows what it meant and I thought I was onto something astronomical.... :oops:

Thanks all.
D.

".. the Carthaginian captain Hamilar saw in Birttany about 600bc .. skin boats which were making (so he reported) the three hundred mile crossing to the holy island of Ierne (Eire)"

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