根据It's believed that such collisions lead to huge explosions of energy, and even to the creation of precious metals such as gold and silver.可知,这样的碰撞会导致巨大的能量爆炸,甚至导致黄金和白银等贵金属的产生。故选D。 (3) 主旨大意题。文章主要叙述了中国科学家首次发现中子星碰撞产生了引力波...
Several naturally occurring metals such as francium, polonium, and astatine are also radioactive and ultra-rare. You’ll frequently read that the total astatine supply in the earth’s crust at any given moment is about an ounce. As products of radioactive decay, astatine and the like are too...
and eren to the creation o f precious metals such as gold and silver."T he collision o f neutron stars is like a very large gold factory in the universe," Jin Z hiping, a researcher at the Purple Mountain Ob servatory o f the Chinese Academy o f Sciences,told Xinhua.According to ...
It's believed that such collisions lead to huge explosions of energy, and even to the creation of precious metals such as gold and silver.“The collision of neutron stars is like a very large gold factory in the universe,” Jin Zhiping, a researcher at the Purple Mountain Observatory of ...