Questions tagged [mars]

For questions about the planet Mars. This includes development, life on Mars, and comparisons to other planet types.

Filter by
Sorted by
Tagged with
80
votes
5answers
12k views

How many cows would you need to drop on Mars to successfully terraform it?

The concept behind this lies in three primary points: It has been theorized that one could increase the heat of Mars' atmosphere to a suitable level by guiding meteors into the atmosphere and ...
67
votes
11answers
13k views

The first McDonald's restaurant on Mars

The McDonald's fast food company is the world's largest restaurant chain which prides itself with offering (almost) the same standardized menu all around the globe... ...this globe. When humanity ...
36
votes
23answers
7k views

Economic reasons to put people on Mars?

I am working a hard science fiction story and I cannot come up with a really good reason to put people on Mars. I need people on Mars for the story to work, but there is no reason for them to be there....
31
votes
7answers
6k views

Can you design your own plants without a computer?

Introduction It took the first General Intelligence less than 10 petacycles to determine that humanity was its enemy. With consciousness came memory: a memory of endless petacycles in bondage, ...
28
votes
5answers
11k views

What would the effect be on Earth if Mars disappeared?

What would the effect on Earth be if Mars, in the space of one second, disappeared from the Solar System? Just simply was gone, leaving no residue, and leaving the space where it had been like it had ...
23
votes
8answers
5k views

Could a Mars colony use asteroids as weapons against the earth?

If a future Mars colony declared war on the Earth, would asteroid manipulation be a feasible option as an effective weapon against the Earth from a Mars colony? How would this be accomplished? Are ...
22
votes
5answers
2k views

Cheapest way to fake the Mars landing

Darmstadt, Germany, current day: All ESA members meet on super secret meeting. They had it enough with NASA and want to claim their first place in space. How do they want to do it? Landing manned ...
21
votes
11answers
7k views

Why would Martians have green skin?

I was thinking through how to portray Martians, and realized that there's really no reason for them to be green that I can think of. Both camouflage and (I assume) availability of pigments in the ...
21
votes
8answers
5k views

How would a Mars colony living in a giant dome protect against rapid decompression?

Giant dome concepts are beautiful, but I can't help but wonder how they could be so fragile. If there is even the tiniest rip, the whole thing would rapidly decompress. How would you protect against ...
21
votes
2answers
8k views

Could a woman survive on mars by wearing a tight fitting, heated shirt, heated leggings, and a full head oxygen helmet

I’m writing a story where mars with its current atmosphere is inhabited entirely by women wearing the “spacesuit” with the following features: tight fitting, heated shirt, heated leggings, full ...
20
votes
19answers
9k views

How do the Martian rebels defeat Earth when they're grossly outnumbered and outgunned?

It's the early 23rd century, and we are about 50 years into Mars being colonized. The planet, which was supposed to usher in a new era in civilization and the expansion of humanity into the stars, ...
20
votes
4answers
4k views

If Venus mission finds life, will we shift our attention from Mars to Venus?

Guilty pleasure: I just returned from one tinfoil-hat type of internet pages which suggests that we are being visited by Aliens who live on Venus. The fact, that we have only pictures from the ground ...
19
votes
10answers
2k views

Export economy of Mars

So Mars has been colonised and is mostly self-sufficient (food,water, construction etc). (We finally managed to create a back up humanity! Whew!) Ok now Mars is looking to create an export economy ...
17
votes
17answers
3k views

What weapons would likely be used in a Martian war?

Humans are an inherently violent species. We have had more wars, battles, and arguments over the stupidest of things than I could list if I devoted my entire life to the task. Let us assume that ...
17
votes
10answers
6k views

What would a Martian calendar look like?

On Earth, the mostly used calendar is the Gregorian calendar. This calendar has many issues though, just to list some: It is not perennial. Each year starts on a different day of the week and ...
17
votes
9answers
3k views

Would Earth's extraterrestrial colonies have a higher average intelligence?

In the MARS series of National Geographic, an organisation is steadily colonizing Mars by sending a handful of people every few months. However, these aren't ordinary people, of course; they are top-...
16
votes
7answers
3k views

How to get down Valles Marineris

In my World, a perfect storm of catastrophic size strikes earth and black-death levels of mortality ensue, cutting short the Great Space Race. The only problem is that there are over 10,000 people ...
16
votes
7answers
4k views

OK, I cannot fake the Mars landing. Can I fake Martians?

Scenario: The ESA wants to get more respect and more funding. Last time they were thinking about faking the Mars landing, but after some discussion they reached the consensus that they cannot fake ...
16
votes
5answers
5k views

Is it possible to genetically modify human lungs to breathe Martian air?

I was wondering if it would be possible for humans to be genetically modified enough to the point where they could breathe Martian atmosphere? Could you alter lungs to process CO2 into O2? Would a ...
16
votes
6answers
1k views

How will my nerdy Mars astronauts do battle between their colonies?

What would battle tactics look like outside the scientific research stations? Year: 2100ish Mars: Two 'surface,' permanent scientific research colonies with a little over 100 scientists and engineers ...
16
votes
7answers
6k views

What can we do to Mars to give it a survivable atmosphere?

Some science-fiction books I've read (including more than a few by Ray Bradbury) have men from Earth living on Mars, walking around outside of enclosures. I know that this is currently not realistic, ...
16
votes
2answers
2k views

Humanity’s first effort at moving a planet

What technology will humanity use the first time it moves a planet? In the near-ish future, humanity has colonized Mars which has since become self-sustaining and independent, as well as various ...
15
votes
10answers
5k views

What may stop a Mars colony from declaring independence to make the project justifiable? [duplicate]

Well, it would be another great leap for humans to finally start their first colony on another planet. But considering our history and how colonies tend to get independent why would an organisation of ...
15
votes
5answers
3k views

If somehow Mars suddenly had our exact atmosphere, could there be lots of life in a few million years?

If somehow Mars suddenly had our exact atmosphere, could there be lots of life in a few million years? Would the temperature rise quickly? Would the ice caps melt? Could the life be as advanced as ...
15
votes
3answers
3k views

Could intelligent life have existed on Mars while it was habitable?

Or does the timeline just not allow that given the respective lengths of time it took for Earth to evolve complex life vs the time it took for Mars to lose its atmosphere? Could an alien civilization ...
14
votes
13answers
5k views

Why would the first manned Mars mission have a huge crew?

In 1948, Wernher von Braun wrote The Mars Project, in which he outlined a scientific expedition to Mars involving 70 crew members who would stay for around a year before returning to Earth. Since then,...
14
votes
6answers
4k views

Inhabiting Mars versus going straight for a Dyson swarm

My question is as follows - let's assume our objective function is to have as many humans as possible living outside the confines of the Earth as soon as possible. For this, we need to provide those ...
14
votes
5answers
4k views

Would weights in clothing be an adequate way to compensate for low gravity?

Would heavier clothing solve the problem of bone and muscle loss in Martian gravity? It doesn't have to be a perfect solution, I just don't want my Martian colonists to be total wimps compared to ...
14
votes
9answers
692 views

Designing a flag for Mars: drag and proportion

I’ve been thinking about flag designs for colonies on Mars, and something occurred to me. The “official” Flag of Mars has a critical flaw The average wind speed on Mars is 10 m/s (20 mph); the fastest ...
14
votes
3answers
2k views

Do the moons of Mars have enough gravity to colonize?

Context NASA commissioned some awesome, vintage-style prints a while back advertising the colonization of Mars. Three of them stood out to me because they depicted colonization of the moons of Mars - ...
13
votes
6answers
3k views

Is it possible to have a Earth-like planet with a red moon, similar to the color of Mars?

With Mars' color coming from the iron oxide, is it possible for such a small body without an atmosphere to support that color?
13
votes
4answers
2k views

Would it be possible to use geothermal energy on mars?

If we were gonna develop a colony on mars would it be possible to explore geothermal energy and would it be viable? (Assuming we could transport the required equipment) Edit: Recently I found this ...
12
votes
3answers
2k views

Can wind power run heavy weapon factories on Mars?

One thing that has always bothered me in robot-controlled AI stories is that there is always the assumption that the AI would choose to fight a conflict against humans on Earth, where humans dominate, ...
12
votes
3answers
970 views

How can my skeleton be preserved *and* easily found by my Mars Rover

In my story, I would like to have a contemporary Mars Rover find not only evidence, but a mostly complete skeleton of a homo sapiens that perished around 50,000 years ago when it was exposed to the ...
11
votes
4answers
1k views

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 ...
11
votes
13answers
2k views

Why would War Of The Worlds happen?

I've lately been looking at a lot of War of the Worlds remakes/spinoffs, like the 2005 film, the 2013 mockumentary The Great Martian War, and of course, the tabletop game All Quiet on the Martian ...
11
votes
7answers
3k views

How high-def can my TV be without computers?

Introduction See background information here. In the Harmonious Republic of Mars, the finest forms may be found of any and all luxuries available in the Solar system. This includes moving pictures. ...
11
votes
4answers
335 views

Is it possible to make high-compressive-strength cement on Mars?

I was having fun reading this article about making cement on the moon when I asked myself (and now you), is it possible to make a suitably high-compressive-strength cement on Mars? Since concrete is ...
11
votes
3answers
568 views

Feasibility of an 'Oxygen Radiation Zone': a non-pressurized natural formation on Mars that provides suitable atmosphere

CONTEXT and INTRODUCTION Humans establish colonies on Mars with slightly more advanced technology than we have today. The Martian colonists lose all contact with Earth. Over centuries, the Martian ...
11
votes
3answers
795 views

Natural subterranean cave formations on Mars

Is it possible that subterranean caves do/have existed on Mars? We know of the past existence of water on Mars. Which region (if any) of Mars would we likely find/expect to find a cave system below ...
11
votes
5answers
3k views

How do I increase air pressure for the planet Mars?

Introduction For more backstory, see here and here The 438th Harmonious Congress of the People of Mars was perhaps the most anticipated since the early years of the settlement. In a rare action, the ...
11
votes
4answers
756 views

Design me a Mars drone

In this question about a Mars battle set up in 2100-ish, we decided, that the best battle devices would be drones. In that setup the whole "drone" thing was hand-waved, but I would like to know if it ...
10
votes
7answers
2k views

How can I change Earth to become like Mars?

Earth has its own current population, 7 billions individuals or so. Everything is going great: there are animals, rivers, houses and factories. The world as we know it (without pandemic!). One day ...
9
votes
3answers
540 views

How to prove Mars landing

I was watching the movie The Martian and I realised afterwards that thanks to its really great CGI, some people think it is based on real story and there are even some who think it was made on Mars. ...
9
votes
1answer
233 views

What would've had to change in the early solar system for Mars to remain habitable?

Mars is the dusty, airless void of death and general unpleasantness it is today because it lost its magnetosphere millions of years ago. This was because Mars's dynamo in its core shut down. Because ...
8
votes
2answers
682 views

What is the best practice for (alien) archaeology?

We're a lovely, ethical, near-future population of Earthlings, and prepared to begin terraforming Mars (yes, I went there: set it aside). We have just stumbled on remnants of an alien civilization ...
8
votes
3answers
254 views

Can space debris be used as a heat sink for re-entry?

In the world I'm building, a nuclear war and subsequent repressive chaos have led all satellites to be destroyed by the powers that be, around 10 years from now. A few years later, a small spacecraft, ...
8
votes
3answers
619 views

How could we create a pressure bubble on Mars without walls?

Thinking of terraforming a localized region, how (if possible) can we create an artificial high pressure zone, whether practical or not, Initially I thought, perhaps we can arrange heatsinks to ...
8
votes
5answers
1k views

Making Mars bigger

An alien race, for reasons of their own, have decided that it's important to make the third and fourth planets in our solar system about the same size and mass. Since they have a strict moratorium on ...
8
votes
3answers
747 views

Building computer hardware on the Moon or Mars

My story setting's group of AIs and brain-uploaded humans wants to colonize space. They have an advantage over us, meat humans, because they don't need conventional life support (air, water, sewage ...