保护地球，探索宇宙，发现文明
2023年11月12日 Gibbous Moon beyond Swedish Mountain Image Credit & Copyright: Göran Strand Explanation: This is a gibbous Moon. More Earthlings are familiar with a full moon, when the entire face of Luna is lit by the Sun, and a crescent moon, when only a sliver of the Moon’s face is lit. When more than half of the Moon is illuminated, though, but st...
2021年01月11日 Moon Phases in 2021 Video Credit: Data: Lunar Reconnaissance Orbiter ; Animation: NASA’s Scientific Visualization Studio; Music: Brandenburg Concerto No4-1 BWV1049 (Johann Sebastian Bach), by Kevin MacLeod via Incompetech Explanation: What will the Moon phase be on your birthday this year? It is hard to predict because the Moon’s appe...