Liquid water on Venus in early history.

In summary, the conversation discusses the possibility of Venus having liquid water in its early history, but it is difficult to confirm. The runaway greenhouse effect on Venus occurred rapidly after it was formed, while on early Earth, the effect was moderated by vulcanism and successive ice ages. The quote by Sir Oliver Lodge suggests that we may not be able to comprehend the existence of the universe and intelligent life because our way of thinking is limited.
  • #1
Richard87
31
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Did Venus have liquid water in it's early history?
 
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  • #2
That is possible, but, difficult to ascertain. The runaway greenhouse effect on venus happened very rapidly after it formed. On early earth, vulcanism and successive ice ages moderated this effect.
 
  • #3
"A fish cannot comprehend the existence of water. He is too deeply immersed in it. - Sir Oliver Lodge"

this quote should be modified, you can't possibly relate this quote to intelligent life and the creation of the universe, we know what's outside of our planet, we comprehend that things exist, but why they exist is what lies beyond our way of thinking, hence the creation of the universe
 

Related to Liquid water on Venus in early history.

1. What evidence suggests that liquid water may have existed on Venus in the early history?

Scientists have found evidence of ancient riverbeds, canyons, and deltas on the surface of Venus. These features are typically formed by the erosion of liquid water, indicating that a significant amount of water may have once flowed on the planet.

2. How long ago did liquid water potentially exist on Venus?

Based on geological evidence, scientists estimate that liquid water may have existed on Venus as recently as 2-3 billion years ago. This is considered relatively early in the planet's history, as it is believed that Venus formed around 4.6 billion years ago.

3. What factors make it difficult for liquid water to exist on Venus now?

Venus's close proximity to the sun and thick atmosphere contribute to its extremely high surface temperatures (over 460 degrees Celsius), which would cause any liquid water to quickly evaporate. Additionally, the planet's lack of a global magnetic field means that it is exposed to harsh solar winds, which can strip away any water molecules in the atmosphere.

4. Could there still be pockets of liquid water on Venus today?

While it is highly unlikely, there is a possibility that some areas of Venus's surface could contain small amounts of liquid water. These would most likely be in the form of subsurface reservoirs or pockets of water vapor in the atmosphere.

5. What implications could the existence of liquid water on Venus in the past have for the search for extraterrestrial life?

The presence of liquid water is a key factor in the search for life on other planets, as it is a necessary ingredient for all known forms of life. The discovery of ancient liquid water on Venus could indicate that the planet was once habitable, and raises the possibility that microbial life may have existed there in the past.

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