Contact us
Choose a category below so we can get back to you as quickly as possible.
月球的軌道運動月球以橢圓軌道繞地球運轉.這個軌道平面在天球上截得的大圓稱“白道”.白道平面不重合於天赤道,也不平行於黃道面,而且空間位置不斷變化.週期173日.月球軌道(白道)對地球軌道(黃道)的平均傾角為5°…
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.