By astronomical standards, that is a hair's breadth.

以天文学标准来看，这只是毫厘之差。

Intrigued, Dr Vida searched the astronomical literature for similar fireballs.

出于好奇，士搜索了天文文献中出现的类似火球。

These were not new astronomical objects, however.

但这些并不是新的天文体。

The program has an astronomical price tag.

这个项目的价格是天文数字。

There's usually an astronomical price tag attached.

通常会有一个天文数字的标价。

Mind you, not “an” astronomical unit — “the” one.

注意，不是“一个”（an）天文单位，而是“一”（one）。

Lunar eclipses are pretty common as astronomical phenomena go.

月食是很常见的天文现象。

Other high-energy astronomical events will leave gravitational echoes, too.

其他高能量的天文现象也会向外传递引力波。

Scientists call this distance one astronomical unit, or AU.

科学家们将这个距离定为天文单位，为 AU。

The project operates across several major astronomical observatories.

该项目在几个主要的天文台运行。

That astronomical figure is two undecillion dollars - a two followed by 36 zeros.

这一天文数字是1066美元的两倍，也就是数字2后面有36个数字0.

And that meant their energy had to truly be astronomical.

那意味着它们的能量必定是大的无法估量的。

You'd think that the late fees would be astronomical, right?

你也许认为逾期费用会高得离谱，对吗？

The American space agency, NASA, says these astronomical gatherings are common.

美国航天局NASA表示，这些天文聚集很常见。

So now seeing the Northern Lights, that is another extraordinary astronomical event.

现在看到北极光是另一个非凡的天文现象。

WMAP is one of the great astronomical breakthroughs of the 21st Century.

WMAP 是 21 世纪重大的天文学突破之一。

In the northern hemisphere, astronomical winter officially begins this year on December 21st.

在北半球，天文学上冬天从12月21日正式开始。

The annual drug bill of the Health Services is mounting to astronomical figures.

卫生部门的年度药费用快要到了天文数字了。

Although astronomical projects still dominate, other sciences are starting to adopt the idea.

尽管主要应用于天文学计划，其他学科也开始采用这一想法。

We often use the word " astronomical" when we're talking about big numbers.

当我们在讨论很大的数字时， 我们经常用“天文数字”这个词。