# Flat Earth Science

> These figures are automated measurements with timestamps. They are not a review, rating, grade, or recommendation.

Earth curvature, horizon, flight, Sun and daylight calculators plus tested flat-earth claims.

- Status: Up
- Checks passed: 14 of 22
- Uptime: Not measured
- Latency: 502 ms
- Tools: 8
- Last probe: 2026-11-12T14:43:13.505Z
- Publisher: flatearthscience.org (https://mcpheartbeat.com/p/org.flatearthscience)
- Endpoint: https://flatearthscience.org/api/mcp
- Transport: streamable-http

## Tools

Showing 8.

- **calculate_curvature**: Calculates how much of a distant target the Earth's curvature hides, from the surface distance, the observer's eye height, the target's height and an assumed re
- **compare_flat_map_distance**: Compares the distance between two cities on a north-polar flat-Earth map with their great-circle distance over a sphere. Returns both distances and the factor b
- **compare_true_size**: Shows how much a Mercator map distorts a country's area, from its real area and the latitude it is drawn at. Returns the real area, the area multiplier at the c
- **find_claims**: Searches the website's tested claims and flat-earth investigations, or returns one by id. Each result gives the claim, the verdict, the key evidence and the lin
- **get_daylight_hours**: Calculates the length of daylight at a place on a date, with sunrise and sunset in UTC, for the UTC day from midnight to midnight. A place is one of the website
- **get_flight_distance**: Calculates the great-circle distance between two places in kilometres, miles and nautical miles, with the initial and final compass bearings. Each end is one of
- **get_horizon_distance**: Gives the distance to the horizon from an eye height above a smooth sphere, and how far a taller object such as a mast stays in straight sight. Returns the obse
- **get_sun_position**: Calculates the Sun's altitude and compass bearing at a place, date and UTC time, with the shadow of a 1 m upright and the day's sunrise and sunset in UTC. A pla

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## Links

- HTML: https://mcpheartbeat.com/s/org.flatearthscience/flatearthscience-org/alternatives
- Markdown: https://mcpheartbeat.com/s/org.flatearthscience/flatearthscience-org/alternatives.md
- MCP: https://mcpheartbeat.com/mcp
- API: https://mcpheartbeat.com/api/v1/servers
- Tools API: https://mcpheartbeat.com/api/v1/tools
- Server API: https://mcpheartbeat.com/api/v1/health?server=org.flatearthscience%2Fflatearthscience-org