ScienceDaily: Astronomy News |
| When it rains, it pours ... on the sun Posted: 24 Jun 2014 06:32 AM PDT Just like on Earth, the sun has spells of bad weather, with high winds and showers of rain. But unlike storms on Earth, rain on the sun is made of electrically charged gas (plasma) and falls at around 200,000 kilometers an hour from the outer solar atmosphere, the corona, to the sun's surface. Now a team of solar physicists has pieced together an explanation for this intriguing phenomenon with imagery that shows a 'waterfall' in the atmosphere of the sun. |
| Titan's building blocks might pre-date Saturn Posted: 23 Jun 2014 02:07 PM PDT A combined NASA and European Space Agency (ESA)-funded study has found firm evidence that nitrogen in the atmosphere of Saturn's moon Titan originated in conditions similar to the cold birthplace of the most ancient comets from the Oort cloud. The finding rules out the possibility that Titan's building blocks formed within the warm disk of material thought to have surrounded the infant planet Saturn during its formation. |
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