研究人员认为，月球在形成后不久，虽然已经开始冷却，但是它当时距离地球比今天要近，轨道也处于不稳定的状态。这导致月球内部受到的地球引力影响也是不稳定的，月球内部因变形而产生了大量的摩擦热，最终使岩层再度融化，熔岩涌出，刷新月球表面。

URUMQI, Jan. 8 (Xinhua) -- The Tarim Oilfield of China National Petroleum Corporation, China's leading oil and gas producer, delivered a record of 7.35 billion cubic meters of natural gas to southern ...

Leapmotor's self-developed global vehicle architecture accommodates A0 to C-segment models, covering sedans, SUVs, MPVs, all-electric, and hybrid vehicles. The C10, introduced earlier this year, is ...