Astronomy
Educational space, distance, planetary and live weather tools.
4 tools
Weight on Planets and the Moon
Estimate weight-equivalent under the surface gravity of another world.
Age on Other Planets
Convert an Earth age into orbital years on another planet.
Current Weather
Retrieve current temperature, humidity and wind for a city using Open-Meteo data.
City Coordinate Distance Calculator
Calculate great-circle distance between two latitude and longitude coordinates.