red-giant

基本解釋

These major arms have the greatest densities of both young, bright stars and older, so-called red-giant stars.
這些主要臂上有最大密度的年幼明亮恒星和較老的紅巨星。
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Its star is a red giant - a massive star near the end of its life. It is too dim to see in the night sky from Earth without a telescope.
Gliese 581是一顆已經(jīng)接近生命終點(diǎn)的紅巨星，星光十分暗淡，在沒有天文望遠(yuǎn)鏡的情況下，從夜空中根本無法看到。
Rocky planets are the only likely sources for these heavy elements, so the spectra show that the stars must have swallowed such planets during their expansive, red-giant stage.
巖石行星很可能是這些重元素的唯一來源，因此這種光譜証明，這些恒星在膨脹的紅巨星堦段肯定曾經(jīng)吞沒過巖石行星。
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Not just any woman, but a wild,red- haired woman, riding a giant catfish down the Rio Grande River.

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a giant star towards the end of its life, with a relatively low temperature of 20004000 K, that emits red light