Browser-only astronomy experiments. One at a time, in his evenings.https://skyexperiments.com/https://skyexperiments.com/en/fly-out/https://skyexperiments.com/en/fly-out/Leave the solar system and travel through the real 3D positions of 250,000 stars.Fri, 28 Aug 2026 00:00:00 GMT<p>Leave the solar system and travel through the real 3D positions of 250,000 stars.</p><p lang="es">Sal del sistema solar y viaja por las posiciones reales en 3D de 250.000 estrellas.</p>https://skyexperiments.com/en/tonight/https://skyexperiments.com/en/tonight/Pick your gear, get an honest ranked list of what's actually worth observing tonight.Fri, 28 Aug 2026 00:00:00 GMT<p>Pick your gear, get an honest ranked list of what's actually worth observing tonight.</p><p lang="es">Elige tu equipo y recibe una lista honesta y ordenada de lo que de verdad vale la pena observar esta noche.</p>https://skyexperiments.com/en/draw-the-sky/https://skyexperiments.com/en/draw-the-sky/Connect the dots on a real star field, then see what five cultures drew in the same stars.Fri, 28 Aug 2026 00:00:00 GMT<p>Connect the dots on a real star field, then see what five cultures drew in the same stars.</p><p lang="es">Une los puntos en un campo estelar real y descubre qué dibujaron cinco culturas en las mismas estrellas.</p>https://skyexperiments.com/en/light-lag/https://skyexperiments.com/en/light-lag/Pick a star, see the year its light left, and what was happening on Earth that year.Fri, 28 Aug 2026 00:00:00 GMT<p>Pick a star, see the year its light left, and what was happening on Earth that year.</p><p lang="es">Elige una estrella, mira el año en que salió su luz y qué pasaba en la Tierra ese año.</p>