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告诉你关于月食的真相 – 译学馆
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告诉你关于月食的真相

Lunar Eclipses

嗨,我是杰西,这里是天文台!在这里,我将带大家一起欣赏美妙的夜空,
Hi it’s Jessi here in the observatory! This is where we come to look at the night sky,
看看我们能发现什么
just to see what we can find.
但是,我不得不说,有些东西我们并不一定需要借用科学望远镜。
But there are lots of things up there you can find without needing a telescope at all.
月亮就是一个易于用肉眼观测的物体,你可以观测它一个月之间
The moon is easy to spot, and you’ve probably noticed that it can look different at different
的不同变化
times of the month.
有时,它似新月
Sometimes it looks like a crescent.
有时,又如圆盘,闪耀夜空
Other times, it’s big and round in the night sky, glowing white.
有时,你甚至可以在白天看到月亮
You can also sometimes see the moon during the day.
但是你见过一轮猩红的明月吗?这是月食时的月亮
But have you ever seen a red moon? This happens during a lunar eclipse, which will be appearing
它将会出现在这周的夜空中,清晰可见!
in the night sky very briefly this week!
“lunar“是一个用来形容与月亮相关的词语
“Lunar” is the word we use to describe things that have to do with the moon. And
食就是一个天体遮住或挡住了另一个天体的路
an eclipse is when one objects blocks, or gets in the way of, another.
好,让我们用两个概念来阐述天上发生了什么
So let’s use those two ideas to figure out what happens up there in the sky to make a
才使月食发生的
lunar eclipse take place.
如果你注意到了月亮在不同时期会出现在不同的位置
If you’ve ever noticed that you can see the moon in different parts of the sky at
这是因为月球是环绕着地球运行的。
different times, that’s because the moon orbits, or goes around, the Earth. It makes
每个月,月亮绕地球一圈。
a full trip around us once a month.
同时,在月亮绕地球运行时 地球也在
And at the same time that the moon is orbiting the Earth, the Earth is also orbiting
绕太阳转动
around the sun.
所以,在不同时期,太阳,月亮,地球就会处在不一样的位置。
So at different times, the sun, moon and Earth are in different positions.
于是偶尔就会出现地球恰好出现在月球
And every once in a while, the Earth happens to get right smack-dab in between the Sun
和太阳之间。
and the moon.
形成一条三点共线的直线。
And they end up in a straight line.
当他们刚好排成这样的位置时,地球就挡住了一些太阳的光线,
When they all line up this way, the Earth blocks some of the sun’s light and casts
在月亮上留下了一个巨大的阴影。
a big shadow on the moon.
所以,我观察天空的伙计们,这就形成了月食。
That, my fellow sky-watchers, is a lunar eclipse.
但是,地球投射到月球上的阴影不是黑色的,
But the shadow that the Earth casts on the moon isn’t black. It’s not even really
甚至不能说是乌黑的!
that dark!
取而代之的是,在月食时看到的猩红色。
Instead, during a lunar eclipse, the moon can look red!
那是因为,太阳光线射过地球时经过了大气层
That’s because when sunlight shines from behind the Earth, it travels through our atmosphere.
当太阳光线绕过地球时,光线产生了弯折。
And that light bends when it shines around the Earth. Those bent rays of sunlight then
这些曲折的光线造就了红月亮。
create a red color on the moon.
大多数月食以形成红月亮而闻名,但这并不是说月食只能造成猩红色的月亮。
Lunar eclipses are famous for turning the moon red, but they can be other colors, too
像黄色,橘色,灰色也是发生过的。
like yellow, orange, or brown.
这都取决于你在何时何地观测月亮。
What color you see depends partly on where you are when you’re watching it.
但并不是每个人都可以看到月食,
And not everyone on Earth can see the eclipse — only people who happen to be on the side
只有在月食发生时面向月球的那一侧区域的人才能看到。
of the Earth that’s facing the moon when it happens can see it. Generally, that’s
一般就是处在晚上的那一侧人。
the side where it’s nighttime.
不像日食,直视会损伤我们的眼睛。我们可以用肉眼直接观测月食。
Unlike solar eclipses, which can hurt our eyes, we can look at lunar eclipses directly.
你也可以用相机记录这个瞬间。
You can even take pictures of them with your camera.
这次月食,
The lunar eclipse will be visible all over the western United States, Canada, and most
美国的西部,加拿大,墨西哥大部分及澳大利亚东部和日本全境都可以看到!
of Mexico, plus in eastern Australia and Japan!
月食也不是经常发生,只有在三个星球恰好处于一条线时才能发生,
Now, lunar eclipses don’t happen that often, maybe twice a year if the Sun, moon and Earth
大概一年两次。
line up just right.
不过如果你不幸错过了这次机会,不必忧伤!你可以在九月再次观测月食。
But if you can’t catch this one, don’t worry! There will be another one in September.
所以,前一天晚上提早睡觉,在早餐前检查月亮
So go to bed early the night before and check out the moon before breakfast! That’s what
这就是我们现在需要做的!
we’re gonna be doing!
插个话,帮个忙,如果你看到了月食,告诉我们,到底你的区域月亮是什么颜色的。
But hey, do us a favor and let us know if you saw it, and report back what color it
我们非常想听听各位天文爱好者见到了什么
was! We always love to hear what other sky-watchers are seeing.
非常感谢与我们一起了解月食,下次再见!
Thanks for learning about lunar eclipses with us; see you next time!

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