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Saturnian Oxygen, Without Life
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| Topic: Saturn |
02/24/05 |
| Summary: Oxygen along with water are considered interesting biosignatures to look for when encountering other planets. On Saturn, the oxygen story can be misleading, if one speculates that its presence gives biology a leg-up. |
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Charged Up Over Saturn
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| Topic: Saturn |
02/24/05 |
| Summary: The four-year Cassini mission orbiting Saturn has as one of its main tasks to study the strange magnetic fields around the ringed world. Scientists are already concluding that the Earth's magnetic field is boring compared to the odd happenings they are seeing today near Saturn. |
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Dynamic Saturn Spawns Static
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| Topic: Saturn |
02/16/05 |
| Summary: Understanding the magnetic fields around Saturn represents one goal for the multiyear Cassini mission now orbiting the ringed world. How these fields are shaped by solar wind turns out to yield an aurora that shares many similarities to the Earth's familiar Northern Lights. |
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Saturn's Hot Southern Vortex
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| Topic: Saturn |
02/04/05 |
| Summary: NASA astronomers using the Keck I telescope in Hawaii are learning much more about a strange, thermal hot spot on the tip of Saturn's south pole. |
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Clash of the Titans
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| Topic: Saturn |
01/07/05 |
| Summary: Counting down the top ten astrobiology stories for 2004 highlights the accomplishments of those exploring Mars, Saturn, comets, and planets beyond Pluto. Number two in this countdown was the Cassini-Huygens mission to Saturn and its Earth-like moon, Titan. |
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Saturn's Immense Icy Cloud
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| Topic: Saturn |
01/07/05 |
| Summary: Ultraviolet images of Saturn's rings indicates much of the system is filled with ice, as well as atoms derived from water. A cloud of oxygen extends millions of miles outward from Saturn, which may hint at collisions between unseen icy moons. |
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Viewing Saturn
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| Topic: Saturn |
01/04/05 |
| Summary: Viewing both the inner and outer planets with a telescope may promise some of the best views during January, particularly as the Saturn-Earth distance closes near the scheduled January 14th descent of the Huygens probe towards the surface of Titan. |
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Saturn's Lightning Bolts Shocking
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| Topic: Saturn |
12/19/04 |
| Summary: As hard as it might be to imagine a lightning bolt a million times stronger than on Earth, Saturn offers such enormous storms. The approaching Cassini spacecraft detected disruption of its radio signals nearly 100 million miles from the planet. |
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Charged Up Saturn
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| Topic: Saturn |
10/17/04 |
| Summary: Saturn has an unusual magnetic environment, which acts as a planetary electrical transformer. The instrument measuring the charged Saturn on Cassini has already found a plasma between what previously was just thought to be a ring gap. |
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Saturn's Perfect Storms
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| Topic: Saturn |
10/09/04 |
| Summary: To see a hurricane grow on Earth, one's best view is from orbit. But on the windiest planet in the solar system, Saturnian clouds can gather to sizes greater than our tiny blue planet. |
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