Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cornell!gordon From: gordon@thir.cs.cornell.edu (Jeffrey Adam Gordon) Newsgroups: sci.space.shuttle Subject: Keeping Hubble Clean Message-ID: <39785@cornell.UUCP> Date: 12 Apr 90 14:02:45 GMT Sender: nobody@cornell.UUCP Reply-To: gordon@cs.cornell.edu (Jeffrey Adam Gordon) Distribution: usa Organization: Cornell Univ. CS Dept, Ithaca NY Lines: 7 I read today that the HST primary mirror is so sensitive that scientists could not enter the room with a pencil for fear the graphite shavings would damage the surface. My question: how are they maintaining this sort of sterile atmosphere while Hubble is sitting in the shuttle's cargo bay? - Jeff