/r/Mars

Photograph via //r/Mars

Articles and discussion about the planet Mars.

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Mars is the fourth planet orbiting the Sun.

With conditions colder, but otherwise similar to that of Earth, the red planet is anticipated to be the second best possible location for supporting human habitation in the Solar System.


Rules
  1. Content must be relevant to Planet Mars
  2. No conspiracy theories or pareidolia
  3. No hostility or aggression

External resources about Mars

Subreddits relating to Mars


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/r/Mars

67,347 Subscribers

139 Comments
2025/02/01
10:29 UTC

6

Mars 360: NASA's Mars Perseverance Rover - Sol 1399 (360video 8K)

0 Comments
2025/01/31
16:43 UTC

46

Mars from my telescope

4 Comments
2025/01/30
17:31 UTC

21

What features of Mars make it difficult, if not impossible, for humans to colonize?

People talk like all it will take is money and research for us to be able to live on mars. I have read that there are enough dangers to prevent us from even getting there. Which is true?

123 Comments
2025/01/30
16:46 UTC

5

What Lies Beyond Our Own Planet with James Webb Space Telescope

1 Comment
2025/01/28
01:51 UTC

43

Guys I Capture Mars By My Phone

20 Comments
2025/01/25
18:27 UTC

3

Mars 360: NASA's Mars Curiosity Rover - Sol 4264 (360video 8K)

0 Comments
2025/01/24
20:44 UTC

26

Help me understand the point of colonizing Mars

I understand the goal of exploring new destinations to ensure the survival of humanity, but wouldn’t it make more sense to colonize the Moon first? Both the Moon and Mars face similar challenges, but the Moon is much closer.

It also feels risky to assume the first mission will succeed. Shouldn’t we focus on using our time and resources more efficiently?

86 Comments
2025/01/23
16:03 UTC

0

The Ethical Considerations of Terraforming Mars: A Balanced Exploration

10 Comments
2025/01/23
08:41 UTC

1

Simulating Mars gravity

We have quite a bit of experience with the effects of microgravity on humans with our presence on the ISS. Would it be possible to launch a habitat into a sustainable lower orbit that would have the same gravity as Mars? Obviously it would take fuel to maintain the orbit, but could it be done so that we have an idea of long-term effects of Mars gravity on the human body?

37 Comments
2025/01/22
19:33 UTC

4

Grayscale elevation map of Mars in Mercator projection

Hello all! I'm currently working on a mod for Hearts of Iron 4 set on Mars, but I've been struggling to find a grayscale elevation map of Mars in the Mercator projection - I've found a color elevation map in the Mercator projection, and I've found a grayscale map in simple cylindrical projection, but I really need a grayscale map in the Mercator projection. Does anyone know of where I could find such a map

2 Comments
2025/01/22
08:04 UTC

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