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NASA Extends Mars Rovers' Mission by
Ron
Donald Savage
Headquarters, Washington April 8, 2004
(Phone: 202/358-1547)
Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
(Phone:...
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April 8th 04 08:04 PM
by Ron
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Safe to look at the morning sun? by
Rob Swindells
Spring in Blighty brings the sun up just as I'm walking across Clifton
Down every morning. At this time the sun is a huge orange disc in the
sky. Is it safe to...
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Some thoughts on solar sails by
nafod40
Most stuff I've seen on solar sails really reminds me of solar
parachutes, where your drag happens to exceed gravity, so you go with
the solar flow, so to...
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Effect of Moon's Gravity on Earth by
Gordon D. Pusch
"Cockpit Colin" writes:
"If the gravity of the moon can, from a quarter of a million km away, be
strong enough to influence...
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April 2nd 04 10:00 PM
by rick++
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1,362 |
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Sulphur contact of the moon by
Fountain of knowledge
Does anybody know why the moon has a high concentration of sulphur in
it's basalts? Is it a consequence of the giant impact that created
it?
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Mars image microscopy by
Robert McDonald
Does anyone know what the magnification is on any of the microscopy
images from the Mars landers? THa images never have a scale bar.
Robert
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591 |
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Possible Methane on Mars by
John F. McGowan, Ph.D.
Regarding possible methane on Mars, please see my paper "Oil and Natural Gas
on Mars" from 2000.
Oil and natural gas on Mars
John F. McGowan III, "Oil and...
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990 |
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Alternative to Rockets by
George Kinley
Are there any way for rockets to fly in space , other then throwing mass
out in one direction and moving in other
( 1 2 3 ... Last Page)
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Specific Impulse & Exhaust Velocity by
Makhno
Hi all,
When are the Specific Impulse of a rocket and the velocity of its exhaust
gas not the same?
(OR when are they they same, if that's simpler)
Seems to...
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March 29th 04 03:31 PM
by Steen
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1,103 |
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Comments on this "disc"? by
The Feestro
http://marsrovers.jpl.nasa.gov/gallery/all/2/m/065/2M132132493EFF1500P2958M2M1.HTML
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Sedna and Voyager by
C. F. Leon
"Albert Blauensteiner" wrote in message ...
Anyone, who knows the...
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Rendezvous with Rama by
Richard Cavell
I'm reading this book by Arthur C. Clarke. It involves a spaceship of
sorts, which is a cylinder that rotates about its long axis. The idea is
that a person...
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1,151 |
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Water ice at south pole of Mars. by
William Elliot
On Thu, 18 Mar 2004, John Reidar Mathiassen wrote:
My immediate gut feeling when hearing about the second region was that the
south pole of Mars might be...
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March 22nd 04 07:39 PM
by Ron
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1,055 |
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positions and velocity of planets by
Jan Frederick Eick
aloah!
i've been googling for this now since 3 hours... maybe here somebody can
help me...
i need a table of positions and velocity vectors of the planets of...
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meta-lesson of the Mars rovers by
albright
Hi all. The rovers have done a great job, turning up
a myriad of intriguing and puzzling features.
But the one thing they have shown most clearly is
the need...
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March 17th 04 05:13 AM
by uray
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