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Lowest possible orbit is inside the atmosphere? by Ghazan Haider
Research baloons have flown at 51km above sea level, and yet the sputnik 1 flew at 31km. 20 km below where the highest baloon can fly would yield enough...
January 30th 04 11:03 PM
by Russell Wallace Go to last post
8 1,034
Spirit by Eric Fenby
What's the situation with Spirit (Mars rover) now please? Is it back to full functionality or is it stationary and just sending pictures back? E.F.
January 30th 04 04:45 AM
by Eric Fenby Go to last post
0 918
Scramjet fuel injection by Asherian
Suppose there was a "hypervelocity squirt gun" that could inject fuel into a scramjet at the same speed that the air was rushing by. This would mean no...
January 29th 04 07:05 PM
by Asherian Go to last post
0 928
Moon's change of orbit by Ian
If something physical or meta-physical happened whereby the Moon's orbit was suddenly changed to an apogy of just within Earth's gravitational pull (sorry,...
January 29th 04 05:49 PM
by Joseph S. Powell, III Go to last post
4 830
Theory? by Richard King
I have a theory, that if a magnetic field dissipates at a rate of x m/s, then having a second magnetic field to replenish it at ˝ x/s, then the magnetic field...
January 29th 04 02:05 PM
by Richard King Go to last post
0 532
HST: why considered "dead" without Shuttle visits? by Arie Kazachin
Hello! I've read in few articles dealing with the priorities change in NASA that HST will be let to naturally die as a result of Shuttle service missions...
(Multi-page thread 1 2)
January 28th 04 03:15 PM
by Jan C. Vorbrüggen Go to last post
11 1,003
RLVs and strap-ons by MattWriter
It seems intuitive that, if the technology for SSTO is not quite here yet, it should be possible to do the job by building an RLV which is almost capable...
January 28th 04 05:51 AM
by GCHudson Go to last post
2 717
Antimatter propulsion by Jorge R. Frank
"Dr. O" wrote in : I'm personally not a fan of antimatter propulsion at this...
(Multi-page thread 1 2 3)
January 27th 04 05:58 AM
by Russell Wallace Go to last post
21 1,900
Hubble Servicing Mission 4 cancelled? by Richard Schumacher
of the safety pussies! I'm not one of you star gazing nuts :-) but I do realize the Hubble is the MOST important piece of equipment that the ...
(Multi-page thread 1 2)
January 27th 04 02:52 AM
by MSu1049321 Go to last post
12 1,393
Flammability of moondust by Nick Fisher
I note from the BBC News site http://news.bbc.co.uk/1/hi/magazine/3429857.stm today that "moondust is composed of 40 per cent oxygen". Also that ""One of the...
January 27th 04 01:38 AM
by Gordon D. Pusch Go to last post
2 883
Exploring Europa by Kelly Goode
I keep reading that there designs being made for rovers being sent to Europa. Why do you need to have an ice melting lander? Couldn't you impact a large...
January 27th 04 01:30 AM
by Gordon D. Pusch Go to last post
1 921
isp from MKS units by Parallax
I have a question that may have an obvious answer but I have lost too many brain cells for it to be obvious to me. isp is given as the thrust...
(Multi-page thread 1 2)
January 26th 04 09:53 PM
by Len Go to last post
16 1,719
Moving Hubble to 51.6 degrees (near ISS) by Explorer8939
Anyone know the delta-V to move Hubble to 51.6 degrees (while keeping it near 600 km altitude). What would be the amount of required propellant, assuming a...
(Multi-page thread 1 2)
January 26th 04 06:59 AM
by Greg D. Moore \(Strider\) Go to last post
15 1,234
spinning surf-launch by toby
Would it make any sense to design a surf launched tourist vehicle which is spun up while floating in the water? This could then be a totally passive guidance...
January 25th 04 10:52 PM
by Henry Spencer Go to last post
2 612
Ice Discovered Near the South Pole of Mars. by MarkMcDonald
EUROPEAN SPACE OPERATIONS CENTRE (ESOC) ------------------------------------------------------------------- Darmstadt in the Federal Republic of...
January 25th 04 10:08 PM
by JJ Go to last post
1 1,065
manuever thrusters put on long pole to increase effect by Alex William Russell
maybe I or someone else mentioned this alrady. how about putting a maneuvering thruster or at least its outlet (i.e., run a tube out to carry the thrust...
January 25th 04 07:04 PM
by Jorge R. Frank Go to last post
1 1,004
Lunar Licensing Process by TangoMan
TransOrbital applied to the State(?) Dept. for their license to land a mission on the lunar surface. Realizing that a mission is held up until such a license...
(Multi-page thread 1 2)
January 25th 04 04:44 PM
by stephen voss Go to last post
18 1,160
sci.space.tech and sci.space.science Frequently Asked Questions (FAQ) by s.s.t moderator
This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...
January 25th 04 01:00 PM
by s.s.t moderator Go to last post
0 932
Who has the most powerfull rocket? by Rajesh Khanna
Hello All: Who has the most powerfull rocket engine? In terms of Lifting capability? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus...
(Multi-page thread 1 2 3 ... Last Page)
January 25th 04 07:34 AM
by ed kyle Go to last post
35 2,078
Vacuum vs. sea-level rocket engine Isp by Zoltan Szakaly
I am wondering if a rocket engine's performance in the atmosphere could be improved by changing the operating point, such as mixture ratio or chamber...
January 25th 04 03:31 AM
by Michael Walsh Go to last post
1 1,039
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