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Signs of two gases in clouds of Venus could indicate life, scientists say

theguardian.com

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Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#31
post #14

Earlier quoted context omitted.

Venus needs more attention. Mars is boring. Luna is boring. Venus might have some action. And what about Europa?

Mars is doable. Luna is convenient. Venus is pure acid under ridiculous pressure that melts any probe in minutes. Europa is too far for anything serious. Enceladus is even further away.

>Venus is pure acid under ridiculous pressure that melts any probe in minutes.

Only at the surface.

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#32

For sci-fi fans, Stephen Baxter wrote a very cool short story about possible Venetian life. It's part of this collection, and I don't particularly want to spoil anything about it: https://isfdb.org/cgi-bin/pl.cgi?332397

Venusian. Venetian is entirely different: https://en.wikipedia.org/wiki/Venetian

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#33
post #9

Here’s an annoying question: how would one play the discovery of Venusian life into personal gain? I’m thinking “startup/invest in space” as a starting point, but surely there’s a more fun/rediculous way. Let’s assume that these signals are indeed based in life, and that that life is mostly boring to laymen — some type of bacteria or lava tube denizen with minimal complexity, say

Weyland-Yutani found a way to exploit alien life and eventually got acquired by Walmart.

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#37
post #14

Earlier quoted context omitted.

Venus needs more attention. Mars is boring. Luna is boring. Venus might have some action. And what about Europa?

Mars is doable. Luna is convenient. Venus is pure acid under ridiculous pressure that melts any probe in minutes. Europa is too far for anything serious. Enceladus is even further away.

A balloon inflated at 1 bar would float around quite nicely in the venusian atmosphere.

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#38

Earlier quoted context omitted.

Does microbial life "live" there, or is it deposited there by other means?

I believe the question of whether there's life that's entirely confined to clouds is open.

Doesn’t make much evolutionary sense on Earth where the high atmosphere is one of the least hospitable places to be. Makes more sense on Venus, where the high atmosphere is the least hellish place one can be.

We can, in the meantime, investigate strategies for collecting our own cloud-dwellers so we can build a probe that does the same on Venus while it descends a little through the atmosphere before launching back a sample recovery capsule.

Heat shield, parachute, balloon, stay for a couple hours collecting samples of the atmosphere, filtering particulates, making nice movies, and so on, then pop the balloon right before launching the return vehicle?

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#39

Earlier quoted context omitted.

Mars is doable. Luna is convenient. Venus is pure acid under ridiculous pressure that melts any probe in minutes. Europa is too far for anything serious. Enceladus is even further away.

A balloon inflated at 1 bar would float around quite nicely in the venusian atmosphere.

It's an interesting concept to be sure, but is it technically feasible to make it reliable enough? The transition from orbital velocity, to atmospheric entry and blimp deployment sounds like it would involve significant stresses, and that's after being in space for half a year to even get there. One small micrometeorite and you have a leaky envelope and the mission is over.

I think there was a proposal for a solar powered winged probe which although less cool, would be probably more likely to succeed.

Re: Signs of two gases in clouds of Venus could indicate life, scientists say

#40
post #32

For sci-fi fans, Stephen Baxter wrote a very cool short story about possible Venetian life. It's part of this collection, and I don't particularly want to spoil anything about it: https://isfdb.org/cgi-bin/pl.cgi?332397

Venusian. Venetian is entirely different: https://en.wikipedia.org/wiki/Venetian

Whoops, you're right. That would be a whole different flavor of story.
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