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1·Eventually—over tens or even hundreds of billions of years—a white dwarf cools until it becomes a black dwarf, which emits no energy.

在几百亿年甚至几千亿年之后，白矮星最终冷却形成黑矮星，后者不再散发任何能量。

2·This leads the researchers to suspect that a white dwarf star strayed too close to the intermediate-mass black hole and was ripped apart by tidal forces.

这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。

3·But in the north of the dwarf, there is a small country, the king is a black wizard, the legend is the escape from the elves.

可是在矮人的北方，还有一个小国家，国王是一个黑精灵，传说是从精灵国逃出来的。

4·After about 500 million years, the ionized helium in the quasars cooled and slowed enough that dwarf galaxies could begin bulking up again. (See black hole pictures.)

经过50亿年，类星体中的氦离子慢慢冷却，速度减慢使得矮星系能够再次成长。(见黑洞图片)。

5·He brought... a black widow spider, a python, a stuffed rattler, a falcon, a dwarf rabbit.

有一只黑寡妇蜘蛛，一条巨蟒，一条响尾蛇标本，一只猎鹰，一只侏儒兔。

6·He brought.. A black widow spider, a python, a stuffed rattler, a falcon, a dwarf rabbit.

有一只黑寡妇蜘蛛，一条巨蟒，一条响尾蛇标本，一只猎鹰，一只侏儒兔。

7·The dwarf could see them basking in the sun, brown and black hummocks with jagged ridges down the center of their shells.

侏儒认出它们在阳光下由其背甲中央向下，边缘粗糙的棕黑小丘反射的光。

8·The dwarf pushed his black dragon across a range of mountains.

侏儒将他的龙推过山巅。

9·Since a 7 - solar - mass is too large to be a white dwarf or neutron star , it must be a black hole.

因为有着7个太阳质量的星体不可能是白矮星或中于星，所以它一定是黑洞。

10·At street level are Ginkgo trees with black split face stone cobbles, and low plantings of dwarf olive.

在街道上银杏树下装点着黑色鹅卵石，旁边配植着矮橄榄树。