When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was crisscrossed on earth that are viewed from an airplane.
当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆盘在地球上纵横交错。
When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was criss-crossed on earth that are viewed from an airplane.
当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆形圆盘在地球上纵横交错。
This is not the star's disk you are seeing but the effect of having a circular aperture in your telescope and due to the nature of light.
这不是星星自身的光环，而是由于望远镜的圆形孔径光阑以及光的物理特性造成的。
The image from the Hubble Space Telescope is a spectacular visual reminder of just how thin disk galaxies can be.
这张哈勃太空望远镜拍摄的照片让我们震撼于这个星系的平整度。
A fundamental limit is imposed by the size of the diffraction disk of the telescope.
一个基本的极限是由望远镜衍射园面的大小决定的。
The Hubble Space Telescope revealed this majestic disk of stars and dust lanes in this view of the spiral galaxy NGC 2841.
哈勃太空望远镜接发现了在螺旋星系ngc 2841的雄伟的恒星和尘埃磁盘。
But Neptune's existence wasn't confirmed until September 23, 1846, when German astronomer Johann Galle used a telescope to search the predicted location in the sky and spotted a tiny blue-green disk.
但是，直到1846年9月23日，德国天文学家约翰·加勒用望远镜在天空预计的位置搜寻并发现了一个微小的蓝绿色圆盘，海王星的存在才得到证实。
In April 2008, NASA's Spitzer Space Telescope detected evidence of this process taking place on the disk of a young sun-like star called EX Lupi.
美国宇航局的斯皮策太空望远镜在豺狼座EX星——一颗质量与太阳类似的早期恒星周围的行星盘中发现了该过程（进行）的证据。
By way of experiment, the new invention of aluminum coating was tried out on a smaller telescope disk belonging to the same observatory.
作为实验，新发明的涂铝工艺被试用于该天文台的另一架较小的望远镜的圆面上。
In CCD Auto-guide Unit system of One-meter infrared solar telescope (YNST), the display and update of full-disk solar-image put forward much higher requirement to the real-time capability of display.
在一米红外太阳望远镜（YNST）CCD导行系统中，全日面太阳像的实时更新对显示的实时性提出了较高的要求。
In CCD Auto-guide Unit system of One-meter infrared solar telescope (YNST), the display and update of full-disk solar-image put forward much higher requirement to the real-time capability of display.
在一米红外太阳望远镜（YNST）CCD导行系统中，全日面太阳像的实时更新对显示的实时性提出了较高的要求。
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