W3Cay

Online Astronomy & Sky Simulation Tool

stellarium-web.org

Stellarium Web is an online astronomy and sky simulation website developed by the Stellarium open-source project. It allows users to explore a realistic night sky directly in the browser without installing any software. By using time and location settings, the site accurately displays stars, planets, constellations, the Milky Way, meteor showers, and deep-sky objects visible from Earth. Its key strengths are scientific accuracy combined with an easy-to-use interface, making it ideal for astronomy enthusiasts, students, and beginners who want to learn about the night sky or plan stargazing sessions.