The world's rarest precious metals — also the heaviest! Hassium might be twice as heavy as iridium and osmium. Element 164, eka-darmstadtium, may be even heavier.
2.D.细节理解题.根据文章第五段的句子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,中子星的碰撞产生了黄金.故选D.3.B.主旨大意题.根据全文和文章第六段的句子The collision of neutron stars is ...
In an age where the consumption of minerals and metals escalates with each passing moment, fueled by the relentless demand for smartphones, computers, and medical devices, this inquiry grows increasingly pertinent. This discourse seeks to explore the enigma surrounding the rarest materials on Earth,...
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 ...