Venus Express press conference November 28th, Venus: a more Earth-like planetary neighbour |
Venus Express press conference November 28th, Venus: a more Earth-like planetary neighbour |
Nov 20 2007, 12:27 PM
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Member Group: Members Posts: 813 Joined: 29-December 05 From: NE Oh, USA Member No.: 627 |
All..
Venus Express press conference set for November 28th. http://www.esa.int/esaCP/SEMX1C63R8F_index_0.html ‘Venus: a more Earth-like planetary neighbour’ Latest results from Venus Express 28 November 2007, 15:00, room 137 ESA Headquarters, 8-10 rue Mario-Nikis, Paris 15:00 Introduction, by Håkan Svedhem, ESA Venus Express Project Scientist 15:07 Venus: What we knew before, by Fred Taylor, Venus Express Interdisciplinary Scientist 15:15 Temperatures in the atmosphere of Venus, by Jean-Loup Bertaux, SPICAV Principal Investigator 15:25 The dynamic atmosphere of Venus, by Giuseppe Piccioni, VIRTIS Principal Investigator 15:40 Venus’s atmosphere and the solar wind, by Stas Barabash, ASPERA Principal Investigator 15:50 Climate and evolution, by David Grinspoon, Venus Express Interdisciplinary Scientist 16:00 Conclusion, by Dmitri Titov, Venus Express Science Coordinator and VMC scientist 16:05 Questions and Answers 16:25 Individual interviews 17:30 End of event Craig |
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Nov 30 2007, 11:57 AM
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Member Group: Members Posts: 363 Joined: 13-April 06 From: Malta Member No.: 741 |
I am no planetary sceintist but just a humble enthusiast!I have a few queries maybe some of you could answer:
Why should Venus have a thicker atmosphere than Earth provided it lacks a magnetic field and hence being in direct contact with the solar wind ,which should produce higher rates of atmospheric loss.This seems to be the explanation for mars!? The moon is said to be acting as a friction brake on Earths rotation and thus is slowing it down.Has anyone explained clearly why Venus is such a slow rotator in the absence of a moon!Could a previous collision of a cosmic body with Venus help to explain this . Venus was once(i think its about 500-800 million years ago) entirely resurfaced by hot magma .Could this have happened when this theorised collision took place? Why should Venus lack a magnetic field given its the same radius and almost same density like Earth?Could it be that its dry compared to Earth ,simply explain for this significant difference? |
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