14-05-08 The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite（陨星） large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to destroy present-day Calgary, say re...

12-09-23 Russian scientists are claiming that a gigantic deposit of industrial diamonds found in a huge Siberian meteorite crater during Soviet times could revolutionize industry. 俄罗斯科学家表示，前苏联政府曾在西伯利亚地区一个巨大的陨石坑内，发现大型工业用...

10-08-30 Orcus Patera is an enigmatic（神秘的） elliptical（椭圆的） depression near Mars's equator（赤道） , in the eastern hemisphere of the planet. Located between the volcanoes of Elysium Mons and Olympus Mons, its formation remains a mystery. Often over...