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Topic: Cassini Probe Enters Saturn Orbit!  (Read 3399 times)

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Offline J. Carney

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #20 on: July 08, 2004, 10:33:29 pm »
Yet another reason to keep Hubble aloft- spectrometry is easier from orbit without our atmosphere mucking with the results!

Thanks for the post Punisher!
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Offline Nemesis

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Cassini Finds Mud in Saturn's Rings
« Reply #21 on: July 09, 2004, 11:32:35 pm »
Cassini Finds Mud in Saturn's Rings

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Gunk on ice

Scientists don't know how the rings formed. One idea is that an icy object from the outer solar system was lured in close and broken apart by Saturn's impressive gravity. The new data are not conclusive, but they can be read to support that theory.

The ice in the rings is "like gunk in a skating rink," Esposito told SPACE.com . He described it also as being like mud.

Nobody knows what the gunk is made of, he explained, but it is likely silicates and organic material, the stuff of rocks and dirt on Earth. The ice is also thought to contain water mixed with other frozen substances such as ammonia. 
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Offline J. Carney

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #22 on: July 09, 2004, 11:34:19 pm »
This is great news!!!

To make mud, water hs to be a liquid. Maybe this means that there is liquid water in Saturn's cloud layer somewhere?
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The advantages of living in the Heart of Dixie- low cost of living, peace and quiet and a conservative majority. For some reason I think that the first two items have a lot to do with the presence of the last one.

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Offline Nemesis

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #23 on: July 10, 2004, 09:57:59 am »
Quote from: J. Carney on July 09, 2004, 11:34:19 pm
This is great news!!!

To make mud, water hs to be a liquid. Maybe this means that there is liquid water in Saturn's cloud layer somewhere?

An impact between an ice mass and a dirt mass could supply the energy to liquify the water and mix the two substances resulting in frozen mud once the combined mass cools.
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Offline J. Carney

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #24 on: July 10, 2004, 10:21:21 am »
Quote from: IKV Nemesis on July 10, 2004, 09:57:59 am
Quote from: J. Carney on July 09, 2004, 11:34:19 pm
This is great news!!!

To make mud, water hs to be a liquid. Maybe this means that there is liquid water in Saturn's cloud layer somewhere?

An impact between an ice mass and a dirt mass could supply the energy to liquify the water and mix the two substances resulting in frozen mud once the combined mass cools.

Yeah, it could, Nd you are probably right in that it's the result of a colision...

 but it's a lot more fun to speculate and hope that liquid water is rampent in the moons and atmospheres of the outer planets!
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The advantages of living in the Heart of Dixie- low cost of living, peace and quiet and a conservative majority. For some reason I think that the first two items have a lot to do with the presence of the last one.

"Flag of Alabama I salute thee. To thee I pledge my allegiance, my service, and my life."
   

Offline Nemesis

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Re: Cassini Probe encounters Saturn Hailstorm
« Reply #25 on: July 11, 2004, 11:43:40 am »
Saturn Hailstorm

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July 9, 2004: When the Cassini spacecraft reached Saturn on June 30th, it dashed through a gap in Saturn's rings ... and then did it again. The double ring crossing was part of a maneuver required to put Cassini in orbit.

Although the ring gaps appeared empty, they weren't. Innumerable bits of ring-dust were waiting for Cassini, and they plowed into the spacecraft at a relative speed of approximately 20 km/s. That's 45,000 mph!

"When we crossed the ring plane, we had roughly 100,000 total dust hits in less than five minutes," says Cassini science team member Don Gurnett of the University of Iowa. Fortunately the particles were small--"comparable in size to particles in cigarette smoke," he says. And most of the hits were to the spacecraft's tough high-gain antenna.


The site has a link to audio file of the impacts.
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Offline kmelew

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #26 on: July 23, 2004, 12:15:05 am »
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Offline Capt. Mike

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Re: Cassini Probe Enters Saturn Orbit!
« Reply #27 on: July 23, 2004, 05:17:11 am »
Pretty cool looking!!

Mike
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