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Venus was once a temperate, habitable world

Posted on Tuesday, 24 September, 2019 | Comment icon 23 comments

Could life have once existed on Venus ? Image Credit: NASA
A remarkable new study has suggested that until relatively recently, Venus was much like the Earth.
With surface temperatures exceeding 860 degrees and crushing atmospheric pressures that are more than 100 times those found on our own panet, the conditions on Venus are undeniably hellish.

According to a new study however, things weren't always this way.

Around 715 million years ago, the conditions on Venus were a lot more hospitable, with a mostly nitrogen atmosphere and the possibility of liquid water on the planet's surface.
The only reason that the planet is not still like this today in fact is because of a catastrophic event that released vast quantities of carbon dioxide into the atmosphere.

Scientists have speculated that extensive volcanic activity may have been to blame.

"We need more missions to study Venus and get a more detailed understanding of its history and evolution," said Michael Way of the Goddard Institute for Space Science.

"However, our models show that there is a real possibility that Venus could have been habitable and radically different from the Venus we see today."

Source: Astronomy Now | Comments (23)

Tags: Venus

Recent comments on this story
Comment icon #14 Posted by Essan on 25 September, 2019, 6:59
Are they?  Even the "young" estimate puts them at many tens of millions of years old.  
Comment icon #15 Posted by mdbuilder on 25 September, 2019, 13:32
Get ready for it. "Ancient Venusians ignored warnings, by their scientific community, of pending doom; leading to the extinction of their civilization."
Comment icon #16 Posted by qxcontinuum on 26 September, 2019, 4:10
That is not what the article it's saying. It just presents both theories and it ends with ambiguity.
Comment icon #17 Posted by Ebenezer_J_Booze on 26 September, 2019, 20:34
"Until relatively recently" - 715 million years!? Of course on a cosmic scale that is "a short time", but I really don't believe myself that Venus ever had the changes of being a hospitable place for life, even for the most primordial?
Comment icon #18 Posted by SmartAZ on 29 September, 2019, 1:47
We have eye witness records of the birth of Venus. It was NEVER temperate.
Comment icon #19 Posted by Noteverythingisaconspiracy on 29 September, 2019, 10:01
Please do tell who saw Venus' birth ?
Comment icon #20 Posted by bmk1245 on 29 September, 2019, 10:39
I bought popcorn. Expecting awesome answer.
Comment icon #21 Posted by tmcom on 12 October, 2019, 2:22
With the current cult getting worried, (worried that they are wrong) l have no doubts about that statement ending up on a newspaper headline eventually. Tony H, covered this, or the base of the grand canyon is much hotter than up above, and if you dug 50 km's at the GC base, then it would be Venus at ground level. Venuses atmosphere is also very different to ours, so saying Earth will end up as Venus if we don't reduce a gas that has a tiny, affect on climate, well, we may as well say, our moon was Earth like, and some unicorns stripped the atmosphere away, and we are next!   Fear based nonsen... [More]
Comment icon #22 Posted by SmartAZ on 27 November, 2019, 1:09
Apparently you never studied Latin or Greek or any other foreign language. Venus was also called Gorgon, Medusa, and a few other names. An image search turns up thousands of pictures. If you don't feel like learning a language you can find a flood of scientific research here: Get a supply of chips and drinks because that link leads to thousands of pages, all of them written by scientists.
Comment icon #23 Posted by Carnoferox on 27 November, 2019, 3:17
Last time I checked the Ancient Greeks and Romans lived thousands of years ago, not billions.

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