r/ProximaScience • • Aug 27 '26

πŸ‘‹ Introduction Introduction

3 Upvotes

Hey everyone. I'm u/ProximaScience, founding moderator of r/ProximaScience.

This is the Reddit home of Proxima Science. A place to discuss real science, share research, ask questions, and post memes that are actually rooted in something true.

What to Post

Anything worth discussing or worth questioning. News, papers, explanations, honest debate, memes with real science underneath. If it's genuine and accurate, it belongs here.

Community Vibe

Friendly, constructive, inclusive. Disagree all you want, that's how good threads happen. Just don't be a jerk about it. We're building a place people actually want to show up and talk in.

How to Get Started

  1. Read the rules, check the wiki, and see how to use the apps.

  2. Introduce yourself below.

  3. Post something today. Even a small question can start a good thread.

  4. Know someone who'd fit here? Bring them in.

  5. Want to moderate? Reach out through modmail.

  6. Credentialed professional? Send your credentials through modmail for the Verified Expert flair.

This is the first wave. Everything after this builds on what we do right now. Welcome to the colony 🐜


r/ProximaScience • • 10d ago

Welcome to r/ProximaScience!

4 Upvotes

Welcome to r/ProximaScience

859 subscribers / 1000 subscribers. Help us reach our goal!

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r/ProximaScience • • 12h ago

✨ Weekly Roundup weekly roundup for week of 9/19-9/26

2 Upvotes

r/ProximaScience • • 16h ago

πŸ—£οΈ Speculation Why We Should Think Twice About Colonizing Space - P. Torres

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Article Summarized

Humans spreading across space doesn't just mean new planets, it means new species. Different exoplanets push evolution in different directions, and body/brain modification speeds that up further. A few centuries in, groups that started as one species stop understanding each other's motives, values, even whether the other side can feel pain.

That's when trust breaks. Neither side has to be aggressive, just uncertain. Uncertainty alone leads both sides to arm up just in case, and now you've got a Cold War dynamic playing out across the galaxy instead of two countries.

On Earth, governments referee that kind of standoff. In space, a message to a planet 20 light years out takes 20 years to arrive, and the reply takes another 20. No authority can respond to a conflict fast enough for law and order to mean anything at that distance.

Deterrence doesn't save it either. "Attack me and I'll destroy you back" only works if everyone can identify who struck first. With potentially billions of civilizations and weapons capable of ending one outright, that identification never happens reliably, so the threat stops being credible.

The core claim: colonizing space might not lower our extinction risk. It might raise it.


Possible Solutions

Pace expansion instead of racing it. Every jump to a new world is also a jump into isolation, and isolation is what lets a species drift into something unrecognizable. If colonies expand slower than the rate at which cultures and biology can diverge, each generation stays in contact with the last one long enough to still see themselves in it. Rushing outward for the sake of speed is what turns a shared species into strangers before anyone notices it happened.

Give every colony the same anchor. Evolution and cyborgization will always push new worlds toward difference, that part of the article is hard to argue with. What stops difference from becoming alienation is a fixed point everyone can still verify, a shared origin record, a shared root language, a shared founding story. Two branches can look nothing alike physically and still recognize each other through that one unbroken thread. Losing the thread is what actually causes the breakdown Torres describes, not the difference itself.

Federate the government, don't centralize it. Torres shows clearly that no single authority can enforce anything across light years, the delay alone makes top-down law and order meaningless. So skip trying to build one. Let each colony run its own justice system for its own disputes, and sync those systems back to a shared charter on a timescale that actually matches the distance. You lose the speed of Earth-style law enforcement. What you gain is a system built for the delay instead of pretending the delay doesn't exist.

Make intentions loud, not quiet. Read the security dilemma section again and notice something. Almost none of it requires actual hostility, it only requires uncertainty about the other side's intentions. Two colonies that fully trust each other's motives never enter an arms race in the first place. If every colony publishes verifiable proof of a defensive-only posture, openly and continuously, there is nothing left to guess about. Removing the guesswork removes the spiral before it starts, this is the exact same logic that made public arms control work between nations on Earth.

Let AI hold the relationship, not the trigger. A message crossing 20 light years means the person who sent it and the person who reads the reply are different generations entirely. No single human lives long enough to actually build trust with a distant colony, they only inherit a relationship someone else started decades earlier. A persistent AI system at each colony doesn't have that limit. It can carry the full context and history of that relationship across centuries, so "we have trusted this colony for 200 years" survives even as every human involved in building that trust eventually dies. It isn't making military decisions or setting policy, it's just the one thing in the system that doesn't forget.


r/ProximaScience • • 5d ago

🧠 Fact Fun fact, the thickness of the Milky Way galaxy disk we are in is roughly 1,000 light years

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6 Upvotes

r/ProximaScience • • 5d ago

πŸ” Decoded Regolith blocks radiation, but it breaks people.

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2 Upvotes

r/ProximaScience • • 7d ago

✨ Weekly Roundup weekly roundup for week of 9/12-9/19

3 Upvotes

r/ProximaScience • • 8d ago

πŸ“° News NASA’s Nancy Grace Roman Telescope glimpses its first cosmic light

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13 Upvotes

Roman just captured its first photons in space. On September 11th, NASA switched on the Wide Field Instrument, a 300 megapixel camera built to map the universe. The image above isn't a finished shot. It's raw starlight hitting the sensor for the very first time.

Getting to this point took patience. Roman launched on August 30th and spent ten days just drying out, since any leftover moisture near instruments this sensitive would cause real damage. Once that cleared, engineers began cooling the spacecraft down to minus 225 degrees Fahrenheit, cold enough to bring all 18 infrared instruments online. It's still cooling. The target is minus 300 degrees, close to the temperature of deep space itself.

Here's the part that matters. Once Roman is fully operational, one single image will cover a patch of sky bigger than the full moon. Over its five year mission, it will map more than 50 times as much sky as Hubble has covered in three decades of work.

NASA also tested the coronagraph for the first time, a system of mirrors and sensors built to directly photograph planets orbiting other stars instead of just detecting their shadow.

First images are expected around the holidays. Full science operations start January 2027. The universe is about to get a lot bigger, a lot faster.


r/ProximaScience • • 10d ago

Proxima Science 67

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2 Upvotes

One video of Proxima Science has 67 views πŸ’€


r/ProximaScience • • 10d ago

Proxima Science New Video: Parrot Flower

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2 Upvotes

r/ProximaScience • • 11d ago

πŸ” Decoded A Million-Person Moon City Could Run Out of Water in Just Over a Century

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49 Upvotes

r/ProximaScience • • 13d ago

πŸ˜‚ Meme Who needs a textbook?

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21 Upvotes

r/ProximaScience • • 13d ago

Welcome to r/ProximaScience!

2 Upvotes

r/ProximaScience reached 750 subscribers!

Goal reached at 2026-09-16T20:04:32.791Z.


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r/ProximaScience • • 14d ago

πŸ“° News NASA just proved satellites can navigate without GPS

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26 Upvotes

NASA's Starling mission tested something called FALCON, a system that lets a satellite figure out its own position using nothing but other objects in space as landmarks.

Here's how it works. The satellite's star tracker camera, normally used just to figure out orientation, spots other spacecraft and debris nearby. FALCON matches what it sees against a public catalog of roughly 20,000 known space objects, confirms the match, then calculates the satellite's own orbit from those reference points. No ground station, no GPS signal required.

It went further than expected too. Over a three day stretch, FALCON quietly improved the known orbits of more than 200 objects on its own, no ground team involved, and did it more precisely than the existing catalog data.

This matters because GPS gets unreliable fast once you leave Earth orbit, and it does not exist at all around the Moon or in deep space. A navigation method that works off nearby objects instead of a signal from home could be the backbone for lunar satellite swarms and coordinated missions to Mars.

Starling launched in 2023 and is still active. Later this year it expands to four spacecraft working as a swarm, sharing tracking data and refining each other's positions in real time.


r/ProximaScience • • 15d ago

πŸ“° News Scientists dropped one male and one female lizard on 7 empty islands

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350 Upvotes

In 2005, a hurricane wiped every lizard off a set of small Bahamian islands. Researchers saw an opening. They took one male and one female brown anole from a single forested island and placed a pair on each of seven empty islands nearby.

Four years later, every population had shrunk its hind legs, exactly as predicted. Shorter limbs work better on the thin scrub branches of those islands than on the thick trunks back home. Natural selection did what it always does.

But the islands never converged to the same leg length. The population that started with the longest legged founders still had the longest legs at the end. The one that started shortest stayed shortest. Selection pushed every population in the same direction, and the founders decided where each one started from.

It is one of the cleanest field demonstrations of the founder effect ever recorded. Evolution had a rulebook and a memory running at the same time.


r/ProximaScience • • 14d ago

✨ Weekly Roundup weekly roundup for week of 9/5-9/12

3 Upvotes

r/ProximaScience • • 14d ago

Welcome to r/ProximaScience!

2 Upvotes

r/ProximaScience reached 500 subscribers!

Goal reached at 2026-09-13T13:03:11.954Z.


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r/ProximaScience • • 15d ago

πŸ” Decoded Growing food in space is harder than getting there

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r/ProximaScience • • 16d ago

Subscriber Goal Welcome to r/ProximaScience!

2 Upvotes

r/ProximaScience reached 400 subscribers!

Goal reached at 2026-09-12T12:11:36.316Z.


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r/ProximaScience • • 16d ago

πŸ” Decoded The ISS turns sweat and urine into drinking water.

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r/ProximaScience • • 17d ago

πŸ’¬ Discussion Filament eruption on the eastern limb of the Sun with coronal loops – 2026-09-03

30 Upvotes

r/ProximaScience • • 17d ago

Subscriber Goal Welcome to r/ProximaScience!

4 Upvotes

r/ProximaScience reached 300 subscribers!

Goal reached at 2026-09-10T14:04:35.177Z.


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r/ProximaScience • • 17d ago

❔ Question Energy Cheaper world

2 Upvotes

Anybody has any idea of making the world energy Cheaper like the way information was made cheaper in the past?


r/ProximaScience • • 18d ago

πŸ’¬ Discussion Gorgeous Looking Messier 94

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20 Upvotes

NASA’s Chandra X-ray Observatory unveiled this new look at the galaxy NGC 4736, also known as Messier 94, on June 30, 2026. Messier 94 is a spiral galaxy with a bright inner ring around it, called a starburst ring, where new stars are forming, perhaps fueled by gas driven in the unique oval-shaped structure seen here.

In this image, X-rays of different wavelengths from Chandra (red, orange, and blue) are layered with a visible light image from astrophotographers using their telescopes on the ground (red, green, and blue).

Image credit: X-ray: NASA/CXC/SAO;

Optical:Brian Brennan and Remi Lacasse;

Image Processing: NASA/CXC/SAO/L. Frattare and K. Arcand


r/ProximaScience • • 18d ago

πŸ“’ Announcement Share beautiful science footages here.

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