When to Use Moon Calendar 3D Explorer - Best Sessions and Limits
The Moon Calendar 3D Explorer fits classroom demos, short curiosity breaks, and calendar-to-phase literacy with earthshine and libration on a single Moon view. It is an educational calendar visualization - not a sky almanac or geometry lesson - so a few session types need another tool.
A five-minute classroom demo
A five-minute classroom demo is the ideal session: open Moon Calendar 3D Explorer, drag the calendar day slider from new moon to full moon, and let the class read phase names in the panel. Press Show libration to watch the nod and rock through +/-7.9 degrees longitude and +/-6.7 degrees latitude - faster than a wall calendar alone.
Earthshine and the dark limb
Moon Calendar 3D Explorer suits teaching earthshine because the dark limb carries a faint glow near new moon. Students can pause on day 1 or 2, read the phase name, and connect reflected Earth light to the dim hemisphere - a detail the Moon Phases 3D Explorer geometry view does not emphasize.
Libration and surface coverage
Moon Calendar 3D Explorer in fullscreen keeps the calendar slider, libration toggle, and facts panel visible while the Moon stays centered. Press Play month and the cycle loops in about 30 seconds at 1x; toggle libration to see why 59 percent of the lunar surface is visible over a synodic month.
Sessions it does not fit
These sessions do not fit Moon Calendar 3D Explorer: any time you need tonight's exact phase time, Sun-Earth-Moon geometry, or rise and set times. The scene does not run an ephemeris, does not match today's sky, and does not show why phases happen (use Moon Phases 3D Explorer for that). For telescope planning or star backgrounds, use an almanac or planetarium app. It also needs WebGL in the browser.
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