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Why hasn’t man set foot on Mars yet?

Sarah Jenkins
Sarah Jenkins
Lead Content Curator · Jan 19, 2026 · Updated Apr 13, 2026

> We got a bunch of robots up there, and we've walked on the moon, so it can't be too far off. This seems like a false assumption. The step from being able to send robots to creating a spaceship capable of transporting living humans there and back is enormous.

187
Words

1 min
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#1
of 500 in Space & Astronomy

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The Short Answer

> We got a bunch of robots up there, and we've walked on the moon, so it can't be too far off. This seems like a false assumption. The step from being able to send robots to creating a spaceship capable of transporting living humans there and back is enormous. There's also the factor that there's really not much point in sending humans, it would cost a massive amount of money but they couldn't do much that robots can't more cheaply and easily. The same is true of the moon, which is why we haven't been there for a while, and the original moon race was politically driven in a way that isn't currently the case. > What are current best guesses at when we'll finally cross that barrier? If a country like the USA makes it a big political goal, perhaps in less than a couple of decades. If they don't, much longer than that. It isn't so much a question of *can* we, that could be overcome with money and time, but more a question of whether we will choose to dedicate all those resources.

Analysis

Key Concepts: Robots, moon, can't

This explanation focuses on robots, moon, can't and spans 187 words across 9 sentences. At 175% above the average Space & Astronomy explanation (68 words), this is one of the more thorough answers in this category, reflecting the complexity of the underlying question.

What This Answer Covers

The explanation opens with: “> We got a bunch of robots up there, and we've walked on the moon, so it can't be too far off.” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 9 connected points.

How This Compares in Space & Astronomy

Ranked #1 of 500 Space & Astronomy questions by answer depth (top 1%). This places it in the comprehensive tier — the top quarter of most thoroughly answered questions. Questions at this depth typically involve multi-faceted topics requiring nuanced explanation.

Frequently Asked Questions

Is there a simple explanation for why why hasn't man set foot on mars yet?

> We got a bunch of robots up there, and we've walked on the moon, so it can't be too far off. This seems like a false assumption. The step from being able to send robots to creating a spaceship capable of transporting living humans there and…

How detailed is this explanation compared to similar Space & Astronomy questions?

This is one of the most thorough answer at 187 words, ranked #1 of 500 Space & Astronomy questions by depth. The key concepts covered are robots, moon, can't.

What approach does this answer take to explain why hasn't man set foot on mars yet?

The explanation uses contrasting perspectives across 187 words. It is categorized under Space & Astronomy and addresses the question through 1 analytical lens.