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Spacecraft to travel ‘interplanetary superhighway’
New Scientist ^ | 07/18/05

Posted on 07/18/2005 5:37:30 PM PDT by KevinDavis

Two small aerospace companies are developing a 100-kilogram spacecraft to fly to a point where the gravitational pulls of the Earth and Moon balance each other. If NASA approves the second phase of the project, the craft will be launched in 2008 to test an inexpensive, low-energy route to space called the "interplanetary superhighway".

SpaceDev of Poway, California, US, and Andrews Space of Seattle, Washington, US, are developing the tiny spacecraft, called SmallTug. Like the European Space Agency's SMART-1 probe - now in lunar orbit - it would rely on solar-powered electric propulsion, which generates a small, continuous thrust. This highly efficient approach cuts costs dramatically, but takes about a year to reach the Moon on a circuitous, spiral path.

But rather than orbit the Moon, SmallTug will target a point in space called lunar Lagrange-1 (L1). Lagrange points are places where the opposing gravitational pulls of two bodies are in perfect balance. There are five such points around any two bodies, and objects placed at these points "stay put" with respect to the bodies.

(Excerpt) Read more at newscientistspace.com ...


TOPICS: News/Current Events
KEYWORDS: space

1 posted on 07/18/2005 5:37:31 PM PDT by KevinDavis
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To: RightWhale; Brett66; xrp; gdc314; anymouse; RadioAstronomer; NonZeroSum; jimkress; discostu; ...

2 posted on 07/18/2005 5:37:54 PM PDT by KevinDavis (the space/future belongs to the eagles, the earth/past to the groundhogs)
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To: KevinDavis

SpaceDev got the contract.


3 posted on 07/18/2005 5:38:56 PM PDT by RightWhale (Substance is essentially the relationship of accidents to itself)
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To: RightWhale; All

Note to self: Invest in SpaceDev....


4 posted on 07/18/2005 5:39:42 PM PDT by KevinDavis (the space/future belongs to the eagles, the earth/past to the groundhogs)
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To: KevinDavis

It's SPDV. Looks like a very long term investment, the price is very slow moving.


5 posted on 07/18/2005 5:42:57 PM PDT by RightWhale (Substance is essentially the relationship of accidents to itself)
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To: RightWhale; All

How much for the stock???


6 posted on 07/18/2005 5:44:04 PM PDT by KevinDavis (the space/future belongs to the eagles, the earth/past to the groundhogs)
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To: KevinDavis

Nice. Thanks Kevin.


7 posted on 07/18/2005 5:46:57 PM PDT by DoughtyOne (US socialist liberalism would be dead without the help of politicians who claim to be conservative.)
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To: KevinDavis
If I remember correctly, only L4 & L5 are stable.

Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)

LonePalm, le Républicain du verre cassé (The Broken Glass Republican)

8 posted on 07/18/2005 5:47:36 PM PDT by LonePalm (Commander and Chef)
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To: KevinDavis
Spacecraft to travel ‘interplanetary superhighway’

What no Al Gore joke?

10 posted on 07/18/2005 5:49:33 PM PDT by Echo Talon (http://echotalon.blogspot.com)
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To: Echo Talon; All

Al Gore can't get off this planet.. It would take a miracle to get his fat ass off this rock...


11 posted on 07/18/2005 5:52:46 PM PDT by KevinDavis (the space/future belongs to the eagles, the earth/past to the groundhogs)
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To: KevinDavis

What are you talking about? He rarely spends a minute here. He is perhaps the most lightly tethered of the whole lot.


12 posted on 07/18/2005 6:04:27 PM PDT by CasearianDaoist
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To: CasearianDaoist; All

However, he maybe a goauld reject....


13 posted on 07/18/2005 6:06:08 PM PDT by KevinDavis (the space/future belongs to the eagles, the earth/past to the groundhogs)
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To: KevinDavis
$1.63/share

LINK to Yahoo Finance

14 posted on 07/18/2005 7:32:47 PM PDT by Zuben Elgenubi
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To: LonePalm
You are correct, sir.
L4, and L5 are stable in three dimensions.
L1, L2, and L3 are unstable in at least one dimension (as I recall from basic Celestial Mechanics class).

L.P.
15 posted on 07/18/2005 8:07:32 PM PDT by Lagrange Point
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To: KevinDavis

I'd like on this ping list please.


16 posted on 07/18/2005 8:09:54 PM PDT by YoungHickey
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To: KevinDavis

Willie Green demands they spend their money building 'Interplanetary Light Rail' instead.


17 posted on 07/18/2005 10:16:23 PM PDT by flashbunny
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To: KevinDavis

"There are five such points around any two bodies, and objects placed at these points "stay put" with respect to the bodies."

Dibs on the first Ho-Jo's francise at Lagrange Point


18 posted on 07/18/2005 10:51:35 PM PDT by commonasdirt (Reading DU so you won't hafta)
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To: KevinDavis; All
Anyone here remember the L5 Society (circa 1980)?

Is the surface of a planet the best place for an industrial culture?

19 posted on 07/19/2005 7:09:26 AM PDT by Nicholas Conradin (If you are not disquieted by "One nation under God," try "One nation under Allah.")
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