Interactive solar system model showing orbital revolutions, planetary trails, and solar radiation effects. Observe celestial dynamics directly in your web browser.
Understand elliptical orbital paths, celestial velocity variations, and planetary ordering from the Sun.
Clear, responsive astronomy presentation tool for teachers, students, and space enthusiasts.
iframe sandbox="allow-scripts..."Authentic green cascading digital rain screensaver inspired by The Matrix. Features customizable drop speeds, glowing character leads, and high-performance Canvas rendering.
动态呈现中国传统二十四节气、农历日期与月相盈亏的时钟罗盘。结合太阳黄经算法与地球公转轨迹，支持拖拽旋转与全屏屏保展示。
Real-time 3D planetary motion simulator built with Three.js. Inspect planetary orbits, rotational speeds, and celestial lighting with full 360-degree camera controls.
基于 HTML5 Canvas 的动态水墨山水粒子特效。数万颗微小墨滴随鼠标互动流动聚散，自然晕染出山峦起伏的写意画卷，支持导出高清图片。