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A Map of Every Lighthouse on the Planet

Original article
mapped.earth|55 points|33 comments|by karakoram|Oct 2, 2026

A Global Directory of Maritime Beacons

The project hosted at mapped.earth provides a comprehensive visualization of every charted lighthouse across the globe, illuminating the entire planet through a digital interface.

"Lighting the world… Lighthouses of THE WORLD"

Project Overview

Instead of searching through old paper charts, users can access a synchronized map where every light operates on its actual timing cycle.

ResourcePrimary Purpose
mapped.earthMapping every global lighthouse in real-time

Technical Logic

The system likely calculates the light's periodicity using a formula similar to: Frequency(f)=1T\text{Frequency} (f) = \frac{1}{T}Frequency(f)=T1​ (Where TTT represents the duration of one full light cycle).

Data Structure Example

{
  "lighthouse": {
    "location": "Global",
    "status": "Charted",
    "cycle": "Real-time"
  }
}

How it Works

User Checklist

  • Access the mapped.earth domain.
  • Locate a specific maritime beacon.
  • Observe the authentic flashing sequence.

Lighthouse Illustration

  • Scope: Worldwide
  • Detail: Every charted light
  • Accuracy: Real-world cycles