Space & Astronomy/Space and Astronomy (October 1993).iso/pc/text/spacedig/v13_7/v13_787.txt

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Subject: SPACE Digest V13 #787

SPACE Digest                                     Volume 13 : Issue 787

Today's Topics:
              Re: anti-gravity?
             Toward 2001 - 24 Jun
              Galileo Update - 06/20/91
               IJCAI Early registration
             Strange lights in the sky...

Administrivia:

    Submissions to the SPACE Digest/sci.space should be mailed to
  [e-mail].  Other mail, esp. [un]subscription requests,
  should be sent to [e-mail], or, if urgent, to
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----------------------------------------------------------------------

Date: 23 Jun 91 16:13:55 GMT
From: cis.ohio-state.edu!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!news-server.csri.toronto.edu!helios.physics.utoronto.ca!ria!uwovax.uwo.ca![e-mail]  (Eric Smith)
Subject: Re: anti-gravity?

In article <[e-mail]>, [e-mail] (Norman Paterson) writes:
> again you are most probably right, just sensationalism. But too, many great
> discoveries in science were looked down upon, including Einstien, during the
> inventors lifetime. So perhaps there is an element of validity. Let's hope
> so because rockets seem to me at least an inefficient way of exploring
> space.

I sympathize with what you're trying to say. However, I would like to point
out that you've been mislead about Einstein. In fact, it's quite remarkable
how quickly the special and general theories of relativity were accepted.
The original paper on relativity was published in 1905.
By 1909, several other prominent researchers (including Hilbert
and Minkowski) were working on it, and in the same year Einstein was
awarded an honorary doctorate from the University of Geneva, and gave an
invited paper at a conference in Salzburg. He was also appointed to a
position at the University of Zurich. He was hardly being "looked down
upon". [Source: "Einstein: The Life and Times", Ronald W. Clark]

(I think physicists in general have displayed a remarkable willingness
to quickly accept radical new theories, such as quantum mechanics
and relativity, that seem to be full of crazy ideas, *as long as there
is good reason to*. Alas, there seems to be no good evidence for
"reactionless drives", and moreover many good reasons to suspect that
such things are impossible.)
--
Eric R. Smith                     email:
Dept. of Mathematics            [e-mail]
University of Western Ontario   [e-mail]

------------------------------

Date: 23 Jun 91 03:38:27 GMT
From: cis.ohio-state.edu!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!pitt!nss![e-mail]  (Bev Freed)
Subject: Toward 2001 - 24 Jun


                            ***********
                            TOWARD 2001
                            ***********
                        Week of 24 June 1991
                 A Weekly Feature of SPACE CALENDAR
                   + = Domestic (USA) Earth event
                   * = Domestic (USA) space event
                   o = International Earth event
                   # = International space event
--------------------------------------------------------------------
                        REPRINT INFORMATION
This information is reproduced by permission of the Space Age
Publishing Company.  All rights reserved.  Copyright June 24,
1991.  Reproduction in any form without written permission violates
federal statute with penalty of up to $50,000.  SPACE CALENDAR is
edited and published on the Big `Space' Island of Hawaii.
====================================================================
                           * * * * * * *
+ STS 43 Atlantis
Kennedy Space Center FL

Ground crews will load the TDRS-E satellite and its Inertial Upper
Stage into Atlantis' payload bay this week. Interface verification
testing will follow next week with launch expected to take place in
late July or early August.
                           * * * * * * *
o China Space Changes
Beijing

Some experts believe China may be forced to look to the Soviet Union
for space technology cooperation following an announcement from
American President George Bush threatening to halt satellite export
licenses pending China's compliance with international missiles and
nuclear arms regulations.
                           * * * * * * *
+ Synthesis Group Lunar Return
Washington DC

The report proposes a return to the Moon anywhere from 2003 to 2005
depending on overall objectives established by the USA. Federation
of American Scientists spokesman John Pike said the administration
would have trouble funding any of the architectures suggested.
                           * * * * * * *
+ Space Station Water
Huntsville AL

Scientists are evaluating the results of the first series of taste
tests on water reclaimed and recycled through a new system designed
by NASA Marshall Space Flight Center. Closed loop water recycling
will be vital to the ongoing Freedom program.
                           * * * * * * *
+ EER Systems Inc
Vienna VA

The company that acquired Space Services Inc will also have the
resources of Globesat Inc. According to Space Business News, EER
acquired the company for an undisclosed sum on 31 May. A 5-meter
resolution remote sensing satellite is in the works.
                           * * * * * * *
o AustroMir Project
Star City USSR

In final-phase training for the mission, scheduled to lift off on 2
October 1991, is Franz Viehbock, an Austrian research astronaut. He
will accompany Commander A A Volkov and Engineer A J Kaleri to the
Soviet space station and remain on board for about 7 days.
                           * * * * * * *
o Intelsat Ariane Launches
Kuala Lumpur

The Intelsat-6(F5) satellite scheduled for a June launch aboard an
Ariane rocket will be delayed until August, Intelsat announced
recently; the Intelsat-6(F1), last of the -6 series, is to be
launched in October via Ariane.
                           * * * * * * *
+ American Microsat Inc
Sunnyvale CA

The maker of the Avatar space platform is negotiating a deal to
support a 16 channel astrophysics payload for a California
university. President Joe Leblanc told Space Calendar he views
scientific institutions as his company's major market.
                           * * * * * * *
o Peacesat Pacific Island Link
Pacific Basin

By January 1992, 24 Pacific island groups will be joined by a
telecommunications system coordinated through the University of
Hawaii's Social Science Research Institute. Through the Space Agency
Forum on ISY, Peacesat will expand its services deep into Asia via
Japan's ETS-5 satellite.
                           * * * * * * *
+ Lunar Footnote (Statistic)

6,766 days since Moon last visited by humans.
                           * * * * * * *
o International Space Year 1992

      "The most important policy objective of the ISY . . . is
 to instill a new Space Age frame of reference in the thoughts and
              actions of governments and individuals."
                 -- The late U S Senator Spark M Matsunaga, Hawaii
--------------------------------------------------------------------
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--- Opus-CBCS 1.20.18
 * Origin: NSS BBS - Ad Astra! [phone] *HST* (1:129/104.0)
--
Bev Freed - via FidoNet node 1:129/104
UUCP: ...!pitt!nss!freed
INTERNET: [e-mail]

------------------------------

Date: 23 Jun 91 22:00:52 GMT
From: cis.ohio-state.edu!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!jato!kelvin.jpl.nasa.gov![e-mail]  (Ron Baalke)
Subject: Galileo Update - 06/20/91

Crossposted by Ron Baalke from the NASAMAIL P bulletin board
(All NASAMAIL board P items are O.K. for unlimited distribution per JPL PIO,
unless the postings indicate otherwise)

                     GALILEO MISSION STATUS
                          June 20, 1991

     The Galileo spacecraft is almost 82 million miles from
Earth, receding at about 1 million miles each day.  Its distance
from the Sun is 162 million miles.  Speed in orbit is 48,347 mph;
round-trip communication time is nearly 15 minutes.

     The spacecraft health and performance continue to be
excellent, except for the partly deployed high-gain antenna.
Galileo's engineering telemetry data rate has been reduced to 10
bits per second (through the low-gain antenna) to permit
communication with the 34-meter ground stations.  The spacecraft
is in the dual-spin mode, with the upper part spinning at about
3.15 revolutions per minute and the lower part not spinning.

     Meanwhile back on Earth, the Galileo flight team has been
very busy designing and reviewing the next trajectory correction
maneuver planned for July 2, the next cruise sequence or computer
program to control spacecraft operations starting in September,
and the Gaspra asteroid encounter, scheduled for October 29.  The
team continues intensive analysis and testing aimed ultimately at
deploying the high-gain antenna.

                              #####
      ___    _____     ___
     /_ /|  /____/ \  /_ /|     Ron Baalke         | [e-mail]
     | | | |  __ \ /| | | |     Jet Propulsion Lab |
  ___| | | | |__) |/  | | |__   M/S 301-355        | "Imagination is more
 /___| | | |  ___/    | |/__ /| Pasadena, CA 91109 | important than knowledge"
 |_____|/  |_|/       |_____|/                     | Albert Einstein

------------------------------

Date: 24 Jun 91 03:25:19 GMT
From: cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sdd.hp.com!spool.mu.edu!munnari.oz.au!manuel![e-mail]  (IJCAI Mail Box)
Subject: IJCAI Early registration



*********************************************************************
*   12th INTERNATIONAL JOINT CONFERENCE ON ARTIFICIAL INTELLIGENCE  *
*                                    *
*            24 - 30 August, 1991                *
*                                    *
*       * Darling Harbour * Sydney * Australia *            *
*                                    *
*                                    *
*              IJCAI-91                    *
*              ========                    *
*                                    *
*     --------- E A R L Y  R E G I S T R A T I O N ---------        *
*                                    *
*             3 0  J U N E                    *
*                                    *
*********************************************************************


IJCAI-91 will be held at Darling Harbour, Sydney, Australia, 24-30
August, 1991.  Professor Barbara Grosz of Harvard University is the
Conference Chair; Professor John Mylopoulos and Professor Ray Reiter,
both of the University of Toronto, are Program CoChairs; and
Professor Michael McRobbie of the Australian National University is
the Australian National Committee Chair. Dr. Donald Walker of
Bellcore is Secretary-Treasurer for the Conference.

The early registration date for IJCAI-91 is 30 June, 1991 and
discounts on fees for the conference and tutorials apply to
registrations received before this date. Early registration is also
advised to ensure confirmation of the accommodation of your choice.


         OBTAINING REGISTRATION BROCHURES FOR IJCAI-91
             =============================================

The Australian National Committee for IJCAI-91 has arranged for
Registration Brochures and Forms for IJCAI-91 to be obtained
electronically by sending an email message requesting a hard copy or
directly by ftp.

1. Hard Copies
--------------


To obtain a hardcopy of the Registration Brochure and Form send an
email message containing your name and address to:

    [e-mail]

*********************************************************************
PLEASE NOTE THAT THIS IS AN E-MAIL ADDRESS TO WHICH *ONLY* E-MAIL
REQUESTS FOR *HARD COPIES* OF THE REGISTRATION BROCHURES AND FORMS
SHOULD BE SENT. IT IS *NOT* A GENERAL IJCAI CORRESPONDENCE ADDRESS.
*********************************************************************

Requests for hard copies of the Registration Brochure and Form and
any other enquiries concerning IJCAI-91, can also be made directly to:

    IJCAI-91 Secretariat
    PO Box 787
    Potts Point, NSW 2011
    AUSTRALIA

    Tel: [phone]
    Fax: [phone]


2. Anonymous ftp
----------------

For those connected to the Internet, the IJCAI Registration Brochure
and Form are available as compressed POSTSCRIPT files via anonymous
ftp from

    vulcan.anu.edu.au (IP number 130.56.4.173) (in /IJCAI)

and from

    uunet.uu.net (alias ftp.uu.net, IP number 137.39.1.2)
        (in /doc/IJCAI)

To transfer the Registration Brochure and Form connect to either
machine by ftp with user name "anonymous".  Type in your full email
address as password (it will be logged).  After a successful login
change to directory IJCAI and read README for full details of how to
ftp the files that you need.

In case of problems or difficulties contact your local system manager
or:

    [e-mail].

*********************************************************************
PLEASE NOTE THAT SO AS TO REDUCE UNNECESSARY NETWORK TRAFFIC AND THE
NUMBER OF TRANSFERS FROM vulcan.anu.edu.au, PLEASE MAKE THE RELEVANT
POSTSCRIPT FILES PUBLICLY AVAILABLE AT YOUR SITE. PLEASE CONTACT YOUR
LOCAL SYSTEMS MANAGER FOR DETAILS OF HOW BEST TO DO THIS.
*********************************************************************

------------------------------

Date: 24 Jun 91 02:59:29 GMT
From: ns-mx!umaxc.weeg.uiowa.edu![e-mail]  (Paul Henning)
Subject: Strange lights in the sky...


I was looking due south out of my apartment here in Iowa City, and noticed
a series of 'cloud bursts', which started at about 2h0m UT.  It looks like
they are about at 15h18m, -2deg15m.  They are pretty bright, white/gray in
color, and emit from a constant position.  They expand/disperse in ~2min,
with new clouds starting ~4 min.  We have a pretty heavy cloud cover right
now, so I really don't think that these things are atmospheric tests,
but just on a whim, are there any satellite chemical releases going on at
the moment?

Thanks,
Paul

------------------------------

End of SPACE Digest V13 #787
*******************