Questions tagged [venus]

This tag should be used for questions about the planet Venus.

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2answers
113 views

A bacterial organism that survives on the surface of Venus

Yes, you read the title right. Naturally this cannot be DNA/RNA based, the highest temperature organisms have survived as we know it is 122 degrees celsius and Venus surface is 4 times hotter on ...
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2answers
2k views

I am entering Venus atmosphere in only a space suit. Can I survive?

DISCLAIMER: No, this is not a duplicate of this question. We are talking about reentering Venus' atmosphere as opposed to Earth, and the suit parameters are rather different to a current suit. ...
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3answers
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Could power be generated using the temperature difference in venus's atmosphere?

On Venus the surface is around 467 degrees Celsius. At the top of the atmosphere it is much cooler, and at around 60 km above the surface the temperature is around 40 to 50 degrees Celsius. This is a ...
5
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3answers
131 views

What is the most damage/destruction I can do to Venus by redirecting sunlight?

Assuming I have the technical means of redirecting sunlight from a position in interplanetary space (placing the mirror[s] wherever necessary), how much havoc can I wreak on the planet Venus? Of ...
4
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2answers
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How does composition change if you extend an Earthlike atmosphere 50km below sea level?

I'm working to design the atmosphere of a fictional planet inspired by Venus (let's call it Cael). Cael's atmosphere at an altitude of 50 km is essentially identical to Earth's atmosphere at sea ...
19
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2answers
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A character steps outside in the upper atmosphere of Venus- how sunburned is he?

For complicated reasons our hero's blimp in the Venus atmosphere at an altitude of 50 km gets a tear in it and sunlight floods inside (there is no gondola, the blimp is a semi-ellipsoid of breathable ...
7
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1answer
114 views

Time to cool a de-atmosphered Venus?

The surface of Venus is about 492ºC, under a sky containing 92 atmospheres of mostly carbon dioxide, and it probably has been for many millions of years. This means the entirety of the planet's 50 km ...
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3answers
174 views

What if Genetically Adapted Humans Colonizing the Atmosphere of Venus Ended Up Competing with a Previously Unknown Life?

I've created the outline to a story involving human beings colonizing Venus, or rather the atmosphere at an altitude of approximately 51 km. Through advanced medical techniques, the first colonists ...
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1answer
121 views

How has Venus held onto its atmosphere [closed]

Without its magnetosphere, how has Venus held onto its atmosphere, when Mars lost its atmosphere and water when its magnetic field was turned off?
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5answers
168 views

Is it possible to move planets to get them nearer to Earth? [closed]

Could we move rocky planets such as Mercury, Venus, and Mars to be closer to Earth's orbit? I know it sounds like a silly question and it's impossible right now, but if there is a small possibility, ...
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4answers
2k views

Could you live in underground lava tubes on Venus?

In approximately 50 years, NASA and many other international space agencies collaborate to create a cloud top base on Venus. The astro-geographers on the station (aka the loser's club) want to go to ...
6
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4answers
336 views

Terraformed Venus and Mars

A Traveler from a very advanced civilization has visited the Solar system. He found the humans likable, and decided to leave them a boon. For some reason, he couldn't do anything directly to the Earth ...
12
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5answers
444 views

Fastest way to oxygenate Venus

Scientists recently discovered a propellantless drive capable of completely negating gravity with low energy inputs! Huzzah! Sadly the Earth is going to be destroyed soon by a rogue handwave. Looking ...
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1answer
175 views

How much material would be required to build a giant sun shade to cool down Venus? [closed]

One way to terraform Venus would be to create a massive sun shade enveloping the planet. How much actual material would be required for this? And where would you get it from?
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2answers
1k views

How long could an ecosystem survive without sunlight?

I am designing a terraformed Venus, where the planet has been given an Earth-like atmosphere but keeps it's original rotation rate. Colonists are importing Earth life to Venus to add a biosphere to ...
11
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4answers
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How Many Earth-Like Worlds Could Be Made Using Only Material From The Solar System?

Assuming that some future civilization of hyper-advanced humans, or aliens for that matter, had the technology to reshape the solar system so that there were several habitable planets the rough size ...
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3answers
303 views

Alien Life on a Venus-like World?

Trying to consider how a walking, socially-active sapient plant would evolve and the world it would live in. More specifically, how would something which is essentially a walking tree living in a ...
5
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1answer
287 views

Temperature of a habitable Venus?

I'm looking at designing a neo-Old Solar System version of Venus which is habitable. The following conditions hold: The cloud cover still exists, hiding Venusian civilization from the outside world ...
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2answers
130 views

Multi planet and moon orbit exchanges [closed]

If we pushed Mercury out of orbit for a close fly by of Venus in order to put Mercury in roughly Venus's orbit while flinging Venus to swing by Mars. Which will pull Mars's orbit a little closer to ...
8
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3answers
505 views

Is it plausible that Venus was once swampy and reasonably habitable to Earth-like beings?

I plan to write a novel set on old Venus. What I mean by this is that it is set on a Venus where it was still thought to be a swampy planet. I know that is an unlikely past, but I have read oceans may ...
2
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1answer
162 views

Using a dense material to strip away some of Venus atmosphere

I want to partially terraform Venus, enough to make it feasible to mine minerals etc,. there. To do this I need to do a few things but for this question I'm focusing on stripping away at least some of ...
3
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2answers
454 views

Surviving the atmosphere of Venus

From what I've seen, a floating habitat about 50 km above the surface of Venus is feasible--the atmosphere is dense enough that breathable air is a lifting gas, and that would be about the height for ...