The nearest star to earth is about 4 light years away.
地球离最近的恒星大约为4光年。
It came from the direction of Sagittarius; the nearest star in that direction is 220 light-years away.
它来自射手座的方向；那个方向最近的恒星距离220光年。
Measuring the distance to the nearest star, on the other hand, can be a little tricky.
另一方面，要测量与最近恒星间的距离可能有些棘手了。
Of course, that also means the craft would require 7,000 years to reach the nearest star — but that's if the sails depended on current technology.
当然即使如此，这也意味着飞船需要7000年才能抵达最近的恒星，但要注意的是，这种假设是基于目前的技术而言的。
We see the moon as it was 1.3 seconds ago; the sun as it was 8.3 minutes ago; the nearest star 4.2 years ago; the most distant galaxy as it was about 13.3 billion years ago.
我们看到的月亮，是1.3秒以前的；太阳，是8.3分钟以前的；离地球最近的星星，是4.2年以前的；而离地球最远的星系，则是133亿年前的。
From the nearest star to Earth, it takes about 4.5 years.
从最近的一颗恒星到地球，它(光线)需要大约4.5年。
The nearest star, Proxima Centauri, has a planet orbiting it not much bigger than Earth.
有一颗大小与地球相近的行星围绕着距离太阳最近的恒星——半人马座比邻星运转。
The nearest star, Proxima Centauri, has a planet orbiting it not much bigger than Earth.
有一颗大小与地球相近的行星围绕着距离太阳最近的恒星——半人马座比邻星运转。
应用推荐