| 1. | The sun will swell into a red giant . 太阳将膨胀为一颗红巨星。 |
| 2. | Such diverse objects as red giants and white dwarfs would seem to be genetically related to each other . 象红巨星和白矮星这样迥然不同的天体,竟然彼此之间有起源上的联系。 |
| 3. | The conditions in a protostar resemble far more closely in situation in red giants, most of whose volume is caught up in stormy convection . 原恒星的条件更加类似于红巨星的情形,红巨星体积的大部分都卷入剧烈的对流中。 |
| 4. | When our sun becomes a red giant , its size can be as large as the earth s orbit 当我们的太阳演化为一颗红巨星的时候,它会涨大到地球现时的位置而把地球吞噬。 |
| 5. | The following figure shows the relative sizes of the earth the white dot , the sun now and a typical red giant 下图显示了地球现在的太阳和典型红巨星的大小比较。 |
| 6. | 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。 |
| 7. | At this point , our familiar sun will grow to be a red giant , encompassing the orbits of mercury and venus 此刻我们熟悉的太阳将膨胀成为红巨星,会把水星和金星的轨道包含进去。 |
| 8. | All red giants are variable stars . the core keeps on contracting and heating up until it is hot enough for the 所有红巨星都是变星,当外壳不断膨胀,氦核心同时不断收缩加热,直至足以燃烧氦我们称之为 |
| 9. | As the nuclear burning moves outward to the fresh material in a shell surrounding the core , the star bloats into a so - called red giant 当核燃烧向外进行到核心周边壳层的新物质时,恒星会膨胀成所谓的红巨星。 |
| 10. | After that it is expected to become a red giant , as the hydrogen that presently comprises it is exhausted and the sun switches to burning helium instead 之后,据推测太阳会成变成一颗红巨星,因为到那时候现在构成太阳的氢气燃烧殆尽,太阳转而燃烧氦气。 |