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- The sun will swell into a red giant. 太阳将膨胀为一颗红巨星。
- 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.
- Stars at this stage of their lifespan are known as "Asymptotic Giant Branch" (AGB) stars, and they are highly volatile. 恒星在它寿命的这一时期被认称为“渐进巨星支”（AGB）星，并且非常的不稳定。
- As a middleweight star like our sun ages, it eventually swells into a red giant phase. 像我们的太阳一样的,中等质量的恒星,年老时会慢慢膨胀成红巨星。
- In this single exposure, cool red giant Betelgeuse takes on a yellowish tint as the brightest star at the far left. 这张单次曝光的照片中，庞大的低温红色参宿四泛着黄色，是左边最明亮的星星。
- At 3 o'clock in the morning on that date, Mars will rise in the eastern sky alongside the red giant star Aldebaran. 在那日期在早晨在 3 点钟，火星将会依傍红色的巨星毕宿五在天空东部上升。
- 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。
- 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。
- About 200 light-years distant, Mirach is a red giant star, cooler than the Sun but much larger and so intrinsically much brighter than our parent star. 距离我们大约200光年，奎宿九是一颗红巨星，其表面温度要比我们的太阳低，但在体积和亮度上要比太阳都大的多。
- When it dies( by swelling to become a red giant, a planetary nebula and finally a white dwarf), it will be much hotter than other, older white dwarfs of similar mass. 当它（胀成红巨星、星状星云并最后变成白矮星）亡时，它的温度将比其他质量相近的年老白矮星，要高上许多。
- "You can literally see the shock coming through the undisturbed atmosphere of the red giant star and then the subsequent expansion of that star," Nugent said. “你可以清楚地看到震波经过那颗红巨星的未被扰动的大气以及随之而来的恒星的膨胀，”纽金特说。
- The stellar remnant at the center is the hot core of the red giant, from which ultraviolet radiation floods out into the surrounding gas, causing it to fluoresce. 星云中心的恒星遗迹是红巨星炽热的核，从那儿发射出的紫外线激发周围的气体使之发射出荧光。
- Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosion on the white dwarf's surface. 大约每过20年，红巨星向它的白矮伴星上输出足够的氢气，在白矮星表面产生一次耀眼的热核爆炸。
- Modern astronomers now recognize an entire class of long period Mira-type variables as cool, pulsating, red giant stars, 700 or so times the diameter of the Sun. 现代的天文学家知道这是一种刍藁型的长周期变星，它们是低温、脉动的红巨星，大小是太阳直径的700倍左右。
- "It has become what astronomers call a subgiant, or a star that has exhausted all of its hydrogen fuel in the core and is on its way to becoming a red giant. 它已经变成了天文学家所谓的‘亚巨星’，也就是说成为已经耗尽了核心中氢燃料的恒星，并且正在变成红巨星。”
- Billions of years ago Mira was likely similar to our Sun, but has now become a swollen red giant star, its outer layers of material blowing off into interstellar space. 数十亿年前，苧藁增二是一颗类似我们太阳的恒星，但现在变成了一颗肿胀的红巨星，它外层的物质被吹到星际太空中。
- The are still orbital distribution for periods longer than 10000 days and the G-K red giant binaries that evolved into strong barium stars are dense in the region of short periods. (a) 能演化成弱钡星系统的红巨星双星系统的周期的对数分布得比较均匀,在大周期(大于10000天)范围仍有分布,而能演化成强钡星系统的红巨星双星系统的分布在短周期区密集。
- Following a prolonged "main sequence" period they will briefly flower into a "red giant," and shed much of their mass before finally fading into a small and astoundingly dense "white dwarf. 在主序阶段停留相当长的一段时期后将短暂的发育成红巨星，并在最终枯萎成为非常致密的白矮星前散失掉大部分的质量。
- Robert Smith, emeritus reader in astronomy at the University of Sussex, southern England, previously calculated that as the Sun runs out of fuel, it will expand into a dangerous "red giant". 罗伯特-史密斯是英格兰南部苏塞克斯大学天文系的荣誉退休高级讲师，他曾经测算，太阳即将燃尽时会膨胀成一个危险的“红色巨无霸”。
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
