| 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. | This star is a red giant with a visual magnitude of 17
这颗恒星是一颗红巨人与一个视觉幅度17 |
| 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。 |
