astronomers信息详情
天文学家
astronomers have discovered───天文学家发现
astronomers who study planet───研究行星的天文学家
astronomers have found patches───天文学家已经发现了斑块
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.───天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
First of all, astronomers look for a star.───首先，天文学家要寻找一颗恒星。
Particle physicists and astronomers collaborate often.───粒子物理学家和天文学家经常合作。
Astronomers had known about the plumes and jets before, but did not know that they all came out in a broad, disk-like structure.───天文学家们虽然已经知道了这些放射物的存在，但不知道它们竟然是从这样一个光盘装的结构释放出来的。
Astronomers have long thought that the asteroid belt is being ground down through collisions, but such a smashup has never been seen before.───长期以来天文家们推测小行星带会因为碰撞而粉碎但类似的景象以前从未被观测到。
Astronomers with a PhD cannot be expected to simply gaze at a starlit sky in the same manner as a pair of young lovers out on a date.───具有博士学位的天文学家不可能与一对在露天约会的年轻情侣以同样的方式注视星光明亮的天空。
The age of the universe is one of the basic questions that have preoccupied astronomers for decades .───宇宙年龄是天文学家潜心研究几十年的一个基本问题。
Red-faced astronomers only discovered it a few days before and until then they thought it was a piece of space junk.───这块红色的物体被发现以及有几天的时间了，在最后被证实其实只是一块太空垃圾。
Earth seems to have its first fuzzy photos of alien planets outside our solar system, images captured by two teams of astronomers.───地球似乎有太阳系外其他行星的模糊影像，两个天文队也拍摄了这些行星的图像。
Astronomers track large meteors using radar.
Astronomers used to ask why only Saturn has rings.
Some astronomers contend that the universe may be younger than previously thought.
The astronomers were taking an observation of Jupiter.
Space scientists and astronomers have taken another step forwards.
Early astronomers thought that our planet was the centre of the universe.
Astronomers may one day travel to the depths of space.
Astronomers have discovered a distant galaxy.
Astronomers can calculate when there will be eclipses of the sun and moon.