Khi Nao Nen Dung Moon Phases 3D Explorer
The Moon Phases 3D Explorer fits classroom demos, short curiosity breaks, and side-by-side comparisons of synodic vs sidereal month length. It is an educational geometry visualization - not a sky almanac - so a few session types need another tool.
A five-minute classroom demo
A five-minute classroom demo is the ideal session: open Moon Phases 3D Explorer, drag the phase slider from new moon to full moon, and let the class see the Sun-Earth-Moon angle drive the lit hemisphere. The panel names each phase as you scrub, and the 29.53-day synodic figure sits beside the moving geometry - faster than drawing chalk circles.
Comparing month lengths
Moon Phases 3D Explorer suits comparing month lengths because the panel lists both 29.53 days (synodic) and 27.32 days (sidereal) with the 384,400 km mean distance and 5.14-degree inclination. Students can pause on first quarter, read the table, and connect the extra 2.2 days to Earth moving along its own orbit around the Sun.
A calm fullscreen view
Moon Phases 3D Explorer in fullscreen keeps the phase slider and facts panel visible while Earth and Moon stay centered. Press Play month and the cycle loops in about 30 seconds at 1x - enough motion to hold attention without sound or accounts.
Sessions it does not fit
These sessions do not fit Moon Phases 3D Explorer: any time you need tonight's exact phase or rise time. The scene does not run an ephemeris, does not match today's sky, and compresses sizes and distances for readability. For telescope planning or libration detail, use an almanac or planetarium app. It also needs WebGL in the browser.
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