地球无时无刻都在运动,以每秒约29.78公里速度围绕太阳公转,同时又以每秒约466米线速度在自转。不仅如此,地球内部也在以毫无察觉的速度在运动,例如地球板块间的相对运动,上升
Latest 50 Articles with tag: 地球板块
Latest Covid19 Info
- Ontario New Case+2,632
- Ontario New Death+46
- Canada First doses658,662
- Canada Second doses53,629
- Canada % of population vaccinated1.87%
- Canada Received from manufacturer893,240
- Canada Received doses administered79.7%