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General stationkeeping deltavee requirements? by Erik Max Francis
I'm looking for general ways of calculating estimates of stationkeeping deltavee requirements (e.g., m/(s y)) for satellites/stations in various orbits (low,...
January 25th 04 01:40 AM
by Bill Vajk Go to last post
6 925
static electricity/MER-A breakdown by
is it possible that in the low pressure/dry mars environment that static electricity discharges due to dust friction is causing the failures ?
January 24th 04 11:18 PM
by Go to last post
0 1,322
Details on MER hardware/software by Ray
As a software/system engineer, I'm very curious about the software (and hardware) organization in the MER's control system. Is there any link to detailed...
January 24th 04 11:22 AM
by harshit Go to last post
1 908
Schematics +Architectural details by harshit
I know this may sound naiive but can I somehow help in analysing the possible problems with the rover. I am a EE with a masters degree and was looking for a...
January 24th 04 11:17 AM
by harshit Go to last post
0 986
"Nasa rover breaks down" - Martians did it! by Moi
All over the news today is news that the Spirit rover has stopped communicating 'properly' with Earth. ...
January 23rd 04 11:02 AM
by Gordon D. Pusch Go to last post
2 1,446
Soyuz TMA lifetime by Explorer8939
i'm not entirely sure what supplies bound the Soyuz TMA lifetime, other than the container used for the toilet gets filled after 4 days use. Other than the...
January 23rd 04 12:19 AM
by Andrew Gray Go to last post
1 744
spirit rover dead? by kegwasher
latest news does not sound positive for spirit. no meaningfull communication in 24 hours and nothing at all on the scientific channels.
January 22nd 04 09:53 PM
by hrtbreak Go to last post
1 867
Space Shuttle External Tank Launchers by Mike Miller
I could've sworn I saw Henry Spencer state recently (or I stumbled over it in a newsgroup search recently) that the Space Shuttle's external tank by itself had...
(Multi-page thread 1 2 3 ... Last Page)
January 22nd 04 05:34 PM
by Henry Spencer Go to last post
41 3,235
Solar System Busses by John Buehler
Getting massive objects moving seems to be one of the biggest challenges that we face with exploration of the solar system. With manned missions, the...
January 21st 04 09:24 PM
by Anvil Go to last post
2 798
Diluting jet fuel with water to increase mass flow. by toby
I looked on the web curious about thrust augmentation concepts for jet engines and found a 1952? NACA report that detailed an experiment where water was...
(Multi-page thread 1 2)
January 21st 04 01:52 PM
by Earl Colby Pottinger Go to last post
15 1,689
FAQ-2-B: sci.space.tech reading list by dave schneider
Reading lists and recommended references are a recurrent theme in sci.space.* This occurs so often that it seems like there is a FAQ missing here. This...
(Multi-page thread 1 2 3)
January 21st 04 12:42 AM
by Jon Leech Go to last post
23 3,244
Space Tethers News Group by Vincent Cate
I just started a new news group for space tethers on Yahoo. You can access it over the web or get it as email. To join go...
January 20th 04 11:56 PM
by Vincent Cate Go to last post
0 1,063
Please give me any reference to an article or a book that contain Literature review of current Remote Sensing issues in the last few years by Aviv Ettya
Please give me any reference to an article or a book that contain Literature review of current Remote Sensing issues in the last few years
January 20th 04 01:30 PM
by Mike Miller Go to last post
1 1,120
Existing rover available for Moon? by Bill Bogen
Are any back-up rovers available (US, UK, whatever) that might be tweaked slightly (ex; made teleoperable) and sent to the Moon to, say, explore possible lava...
January 20th 04 12:03 AM
by Kaido Kert Go to last post
2 998
Two Weeks To Mars With Nexis Ion Engine by [email protected]
Funny thing is that Werner Von Brown was the one who proposed this ion engine more than 50 years ago. What was it with these Germans -- Einstein and Von Brown....
January 19th 04 02:29 PM
by Axel Walthelm Go to last post
8 2,423
giabt slugs trails found on Mars? by Lynndel Humphreys
You can run but you can't hide. They are everywhere. Giant slug marks. What could cause them? Dark contrail like features everywhere. Scientist...
January 19th 04 01:44 AM
by Richard Stewart Go to last post
3 703
Mars in Stereo Viewmaster by Jon Berndt
I see there's a new stereo anaglyph at the MER web site. Wouldn't it be nice if they were able to publish the stereo images on a Viewmaster (tm) reel and...
January 18th 04 08:38 AM
by [email protected] Go to last post
3 1,105
Is it feasible to land on Mars and come back? by Chung Leong
Bar the development of some revolutionary technology, is it realistic to think that we can land on Mars and come back? Say we want to bring a piece of Martian...
(Multi-page thread 1 2)
January 18th 04 01:44 AM
by Xerxes Go to last post
16 2,013
Laminar flow combustion chamber by Iain McClatchie
What does the combustion chamber actually do? It's a place for the propellants to mix and burn subsonicly. The mixing typically requires ferocious...
January 18th 04 12:44 AM
by Andrew Higgins Go to last post
6 835
Horizon_hills_color-A11R1.jpg download problem by Lynndel Humphreys
Having problems downloading http://marsrovers.jpl.nasa.gov/gallery/press/spirit/20040113a/Horizon_hills_ color-A11R1.jpg Shows it downloads but just blank...
January 17th 04 03:26 AM
by Jon Watts Go to last post
3 644
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