Subject: Re: LSST SWG document

From: David Morrison

Submitted: Thu, 10 Jun 2004 08:37:04 -0700

Message number: 219 (previous: 218, next: 220 up: Index)

Michael:

In a couple of areas Steve Larson and I seem to be talking past each other.
>
>To echo Dave Morrison, we should be consistent in emphasizing PHAs
>rather than NEOs.

Actually, I favor using NEAs, not either NEOs or PHAs, in the 
abstract and introduction.

>
>P6, Spaceguard survey has a goal of discovering by 2008 AT LEAST 90%
>of the 1km NEOs.

Again, this should be NEAs, not either NEOs or PHAs.

>
>Discovery of PHAs requiring small delta V identify future potential NASA
>mission targets.

I don't understand this comment from Steve -- it seems to me that the 
distinctions between NEOs, NEAs, and PHAs are quite clear in the body 
of the document. It is the sometimes inconsistent usage in the 
abstract and introduction that concerned me

David Morrison.

>
>
>-Steve Larson
>
>
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-- 
+++++++++++++++++++++++++++++++++++++++++++

David Morrison, NASA Ames Research Center 240-1
Tel 650 604 5094; Fax 650 604 4251; Cell 650 278 0343
david.morrison@nasa.gov or dmorrison@arc.nasa.gov
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