red giant stars造句

• Astronomers have known since the 1950s that the chemical element carbon is made in old, red giant stars
  天文学家早在50年代已经知道，碳这种化学元素是在年老的红巨星内形成。
• Systems as diverse as the early universe, the interstellar medium, red giant stars, and supernova explosions are currently the focus of intense studies utilizing sophisticated computer models-models which require large quantities of nuclear data as input
  如早期的宇宙，星际介质，红巨星，超新星爆，x-射线爆和-射线爆等多样的系统，这些核天体过程是利用复杂的计算机模型，进行重点研究的焦点。
• Composed of micro diamonds, aluminum oxide, and silicon carbide, the isotopic distribution of these grains bore the telltale marks of their birth : ancient supernovas and red giant stars, that shone brightly and then flickered out, billions of years ago, before the birth of the solar system
  由微金刚石、铝氧化物、碳化硅组成的这些微粒的同位素分布透露出它们的诞生：那些数十亿年前，在太阳系尚未诞生时，曾经闪耀并最终熄灭的古老超新星和红巨星。