A World Beyond
Letters from Mons
Letters from Mons
A correspondence between a habitat technician on Mars and their family on Earth. Twelve years. Fifty-three letters. The numbers change.
Letter 1 — From Mars (Sol 47)
The greenhouse is stable. I say greenhouse — it's a pressurised polycarbonate tube two hundred metres long with LED arrays where the sun should be. The tomatoes grow in nutrient columns, roots exposed, fed by a timer. They don't care about the view.
We harvested the first batch yesterday. Forty-three kilograms. The agronomist says yield is forty percent above the baseline projection. I said: "What baseline?" He didn't laugh. Agronomists don't laugh.
I think about the garden you kept. The one behind the house. I remember the soil — real soil, dark and damp. The tomatoes from that garden tasted like the sun. These taste like nutrients and light schedules. But they're food. We eat them. That matters more than taste.
I'll send a picture next time. The tomatoes are the same colour. That counts for something.
Letter 12 — From Earth (Reply to Letter 10)
You mentioned crop yield in your last letter — you said thirty percent above baseline. That's impressive. Is that the same across all the habitat modules, or just the one you're working on?
Dad asks every week if you're eating enough. I tell him Mars has food. He doesn't believe me. He saw too many movies where everything goes wrong.
The garden is still here. The new neighbour offered to help maintain it. I said yes because I don't know how to say no. He planted something I don't recognise. It's growing anyway.
Letter 24 — From Mars (Sol 412)
The yield numbers are holding. I check them every cycle. The agronomist was reassigned to a different module, so I'm the one who reads the sensors now. I've learned more about nutrient flow rates than I ever wanted to know.
Forty percent above baseline. Still.
I saw your question about whether the yield is the same across modules. It isn't. Module 3 is fifteen percent lower. Module 7 is twenty percent higher. No one knows why. The soil — the regolith substitute — is the same composition. The LEDs are the same spectrum. The water is the same source. But the plants know something we don't.
Letter 31 — From Earth (Reply to Letter 24)
You told me the yield was thirty percent above baseline. Now you're saying forty. Which one is it? Or did they change the baseline?
I'm not trying to catch you in an error — I'm genuinely curious. It's been three years. Maybe the numbers improved. Maybe you remembered wrong. Maybe I'm the one who remembered wrong.
The garden is producing well. The new neighbour's mystery plant turned out to be runner beans. They're everywhere. I can't give them away fast enough. If Mars needs runner beans, let me know.
Letter 42 — From Mars (Sol 891)
You're right about the yield number. I checked my old logs. The first harvest was forty-three percent above baseline, not forty. I wrote forty in that early letter because I was tired and forty was close enough. You caught it because you're the one who always caught things.
Does it matter? The numbers are not the point. The point is that the greenhouse works. The point is that we have been growing food on another planet for nearly three years without a single crop failure. The point is that the tomatoes are red.
I don't expect you to understand why I'm here. I don't fully understand it myself. But I know this: when I eat a tomato that grew under LEDs in a pressurised tube on a planet with no atmosphere, I am part of something that has never happened before. That matters more than the percentage.
Letter 53 — From Earth (Reply to Letter 42)
I understand why you're there. I've always understood. I just didn't want to.
The yield number doesn't matter. You're right. But you've now given me three different figures — thirty, forty, forty-three. I'm not keeping score. I'm just noticing that your memory and your letters don't always agree.
That's not a criticism. It's an observation. People change what they remember. Distance does that. Time does that. Twelve years of letters does that.
The garden is gone. The new neighbour moved and the person after him didn't want the responsibility. I let it go. I didn't have the energy to maintain it alone. I thought about telling you. I didn't know how.
Maybe I'll plant again. Maybe not.
Write when you can.
Compiler's Note
The correspondence contains several unresolved discrepancies:
- Crop yield figures: 40% (Letter 1), 30% (cited in Letter 12), 40% (Letter 24), 43% (Letter 42)
- Harvest date: Letter 1 describes "first batch" on Sol 47. Module records indicate the first harvest occurred on Sol 52.
- Reference to "three years" in Letter 42: the actual interval between Letter 1 and Letter 42 is approximately 2.4 years in USST.
These discrepancies are typical of long-distance correspondence and have not been corrected.
This story is part of the A World Beyond Here & Now anthology.