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Also known as Messier 51a, M51a, or NGC 5194, the Whirlpool Galaxy is an interacting grand-design spiral galaxy located at a distance of approximately 23 million light-years in the constellation Canes Venatici.

漩涡状星系又被称为"梅赛耶51a"，"M51a"或"NGC 5194"，与的地球距离为2300万光年，位于北天的猎犬座，是一个庞大的，与它的伴星系共存的螺旋状星系。

Cataloged as NGC 2359, the nebula is located about 15,000 light-years away in the constellation Canis Major.

这块被编录为NGC 2359的星云，位于大犬座内，距离我们大约有1.5万光年远。

Located about 150 million light-years away in the constellation of Canis Major, NGC 2207 — the larger of the two — and its companion, IC 2163, form a magnificent pair.

位于大犬星座、离我们1.5亿光年的这2个星系——较大的NGC 2207和其伴星系IC 2163构成了壮丽的一对。

In the center of NGC 6240, the two black holes in the cores will whip up a frenzy of radiation as they careen towards one another head-on, likely transforming the galaxy into a monster known as an ultra-luminous infrared galaxy, thousands of times as bright in infrared as our Milky Way.

在NGC 6240星系的中心，星系内核中的两个巨大黑洞将激发狂乱的辐射物，加剧两个星系内核的合并进程，很可能会使它们合并成为一个超明亮的红外星系，其红外线亮度是银河系的数千倍。

This view of NGC 3370 was obtained by the Hubble Space Telescope using the Advanced Camera for surveys and is sharp enough to identify individual Cepheid variable stars in the galaxy.

星系NGC 3370的中心分布着轮廓鲜明的尘埃带和一个不太容易辨认的核。

Hubble observations of pulsating stars called Cepheid variables in a nearby cosmic mile marker, the galaxy NGC 4258, and in the host galaxies of recent supernovae, directly link these distance indicators.

哈勃望远镜观测了一个近距离的星系NGC 4258中一类被称为造父变星的脉动变星和当前的超新星，直接比对了这些距离指示器。

NGC 17 is located about 250 million light-years away in the constellation of Cetus, the Whale.

NGC 17位于鲸鱼座。

Explanation: Appropriately nicknamed "the Skull Nebula", planetary nebula NGC 246 really does surround a dying star some 1,600 light-years away in the constellation Cetus.

解释："骷髅星云"，形容行星状星云NGC 246的一个很合适的绰号，围绕着大约1600光年之外的鲸鱼座座的一颗正在死亡的恒星。

Appropriately nicknamed "the Skull Nebula", planetary nebula NGC 246 really does surround a dying star some 1,600 light-years away in the constellation Cetus.

位在鲸鱼座离我们约1，600光年远的行星状星云NGC 246，有个骷髅星云的贴切昵称，因为它中心的确有一颗滨临死亡的恒星。

NGC 4725 is over 100 thousand light-years across and lies 41 million light-years away in the well-groomed constellation Coma Berenices .

NGC 4725跨度超过10万光年，位于美丽的 Coma Berenices 。内4100万光年以外。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。