0115_世界上最大的数码相机

The biggest movie project of all time will soon launch
有史以来最大的电影项目即将推出。
on a remote mountaintop in Chile with a cast of billions.
在智利一座遥远的山顶上，投下数十亿美元。
The subject nothing less than the entire visible universe.
这个主题不亚于整个可见的宇宙。
We knew we needed an enormous camera
我们知道我们需要一个巨大的照相机
bigger than anybody had ever even conceived a building before.
比谁都没想过要建一栋楼。
Stephen Khan is directing construction of a camera with a resolution of 3 billion pixels
StephenKhan正在指导一台分辨率为30亿像素的照相机的建造。
about 300 times the size of a smartphone image
大约是智能手机图像的300倍
which will create a time lapse record of the night sky over 10 years.
这将创造一个时间推移记录的夜空超过10年。
If you do this continuously for 10 years then youd have something
如果你连续这样做10年，你就会得到一些东西
like a thousand images of every part of the sky.
就像天空中每一个部分的一千幅图像。
By comparing the images,
通过比较图像，
you would see everything that changes in the sky
你会看到天空中所有的变化
and you would see everything that moves in the sky.
你会看到所有在天空中移动的东西。
The unprecedented data collected by the camera funded by the US government
美国政府资助的摄像机收集到的前所未有的数据
will help probe two great scientific mysteries dark matter and dark energy.
将有助于探索两大科学奥秘：暗物质和暗能量。
The researchers chose something more mundane for the cameras first test.
研究人员为相机的第一次测试选择了一些更平凡的东西。
A romanesco broccoli.It had a lot of structure on different scales.
一种花椰菜。它有许多不同规模的结构。
As you zoomed in you would see more things,
当你放大时，你会看到更多的东西，
displaying the broccoli image at full size
以全尺寸显示花椰菜图像
would require 378 ultra high definition TV screens.
需要378台超高清电视屏幕。
Scientists around the earth will be analyzing the cameras data
地球上的科学家将分析照相机的数据
along with citizen scientists.
还有平民科学家。
Khan says there are enough galaxies for each classroom on earth to adopt one
可汗说，地球上每个教室都有足够的星系来容纳一个星系。
giving students the potential to discover a supernova.
给学生们发现超新星的潜力。
The school kids could be the first humans to actually see that brightening star.
学校里的孩子们可能是第一个真正看到那颗亮星的人。
The camera is expected to begin collecting images in 2023.
预计该相机将于2023年开始采集图像。
For VOA News Matt Dibble
美国之音新闻马特·迪布尔