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Bright spot on Venus
Juramike
post Jul 30 2009, 09:33 PM
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space.com story on mysterious cloud brightening on Venus:
http://www.space.com/scienceastronomy/0907...right-spot.html


...also spotted by an amateur astronomer.


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MarsIsImportant
post Aug 4 2009, 01:19 PM
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I wouldn't rule out volcanic just yet. We've never seen any volcanic interaction with the incredibly thick Venus atmosphere. So we cannot be sure how that would transpire. There could be some totally unexpected consequences for such an event. And if this is purely atmospheric in nature, then why haven't we seen something of this magnitude before?

I'm not ruling out anything at this point, including comet or large asteroid hit. But a comet hit is unlikely because we should have seen it long before it struck. If it blindsided the planet, then that would be equally unusual and unlikely.

In some respects this event might be more interesting if it is purely atmospheric in nature. We need more data. Does anybody have an idea where that might come from at this point?
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Posts in this topic
- Juramike   Bright spot on Venus   Jul 30 2009, 09:33 PM
- - marsbug   Volcanoes at last? Or some strange artifact of ven...   Aug 3 2009, 01:37 PM
- - Stu   Yaaay for the amateurs! But what a shame we do...   Aug 3 2009, 02:16 PM
- - remcook   It's bright in UV, which means there's pro...   Aug 3 2009, 02:28 PM
- - MarsIsImportant   I wouldn't rule out volcanic just yet. We...   Aug 4 2009, 01:19 PM
- - remcook   I think the space.com article said "We have s...   Aug 4 2009, 01:48 PM
- - cndwrld   To give people some idea of what to expect, a few ...   Aug 4 2009, 02:25 PM
|- - imipak   In defence of ESA: the Saturn system, and Mars, ar...   Aug 4 2009, 08:34 PM
- - Stu   Good to hear the Venus Express team is excited by ...   Aug 4 2009, 02:47 PM
- - Greg Hullender   Venus is usually too close to the Sun for Hubble t...   Aug 4 2009, 04:56 PM
- - dvandorn   Ummm... let me get this straight. VEX ops are pre...   Aug 4 2009, 07:37 PM
|- - cndwrld   QUOTE (dvandorn @ Aug 4 2009, 09:37 PM) U...   Aug 6 2009, 07:51 AM
|- - tedstryk   With the slow Venusian rotation, if the white spot...   Aug 6 2009, 08:46 PM
- - remcook   "We know Hubble had been packed solid with us...   Aug 5 2009, 07:24 AM
|- - MahFL   We are talking Europeans who go on vacation for a ...   Aug 5 2009, 01:27 PM
||- - ugordan   You have a problem with that?   Aug 5 2009, 03:11 PM
|- - stevesliva   QUOTE (remcook @ Aug 5 2009, 03:24 AM) Fo...   Aug 5 2009, 04:27 PM
|- - ugordan   QUOTE (stevesliva @ Aug 5 2009, 06:27 PM)...   Aug 5 2009, 04:36 PM
||- - stevesliva   QUOTE (ugordan @ Aug 5 2009, 12:36 PM) I ...   Aug 5 2009, 05:12 PM
|- - john_s   The July 2005 Cassini Enceladus flyby was definite...   Aug 5 2009, 05:11 PM
- - ollopa   There are now some earth-based pictures on the VEX...   Aug 5 2009, 01:17 PM
- - Phil Stooke   Good point. It would have to be one gigantic belc...   Aug 6 2009, 09:40 PM
- - tedstryk   We need to check the satellite maps. If a big, wh...   Aug 7 2009, 11:41 PM


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