随着其核燃料的用尽，这个短暂的、壮观的、像太阳一样恒星的临近结束阶段而发生变化，因为它的外层喷发，而内核变成一个逐渐冷却、逐渐褪色的白矮星过程。
With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading White Dwarf.
强烈的阳光会造成褪色或其他变化。
天然彩砂褪色的主要原因是紫外光的影响，紫外光对颜色的变化反响极为灵活。
The main reason is the natural sand fade ultraviolet UV effect, changes of color reaction is very flexible.
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