11:06duration 11 minutes 6 seconds
Cubesat (English subtitles available)
CubeSats are mini satellites designed to work at the low Earth orbits. They are about 10 cm3 in size and weigh under 2 kg. They were first designed in 1999 for students to gain…
10:25duration 10 minutes 25 seconds
立方衛星 (中文字幕可供選擇)
立方衛星是設計用於近地軌道工作的迷你衛星。它們的大小一般約為10立方厘米,質量低於2公斤。它們最初於 1999…
14:47duration 14 minutes 47 seconds
萬有引力
牛頓萬有引力定律
14:44duration 14 minutes 44 seconds
Gravitation
Kepler's Law and Newton's law of gravitation