The moon disk blocks almost all the light from the sun.
月亮的圆盘几乎挡住了太阳的所有光线。
That moon would have interacted with a disk of gas surrounding Saturn at the time, dragging its orbit closer and closer.
这颗卫星在那时可能与土星外的气态光环发生了作用，造成它的轨道越来越靠近土星。
Partial solar eclipses happen when the moon blocks only part of the sun's disk, as seen from Earth, casting regions of the planet in shadow.
当月亮遮住部分太阳时，日偏食发生了，就像从地球上看到的一样，使得地球上的部分地区笼罩在阴影中。
During an annular eclipse, the moon covers only the central part of the sun's disk, leaving a ring of sunlight still visible.
在日环食发生的时候，月亮仅仅遮挡住了太阳光晕的中间部分，在外侧留下一圈可见的光环。
On the ground, viewers in the full shadow's path-aka the path of totality-see the moon cover the sun's disk for several minutes. Only the sun's faint upper atmosphere, or corona, remains visible.
地面上处于本影位置的观测者可以看到月球将太阳整个覆盖住，时间长达几分钟，其时只有太阳微弱的上层大气或称为日冕依然处于可见状态。
Above, the moon takes a "bite" out of the sun's disk over the roughly 2, 500-year-old temple of Poseidon in Cape Sounion.
如图，在苏尼翁海岬约2500年前的海神庙上空，月亮咬了太阳一小口。
As the moon plunges deeper into the Earth's shadow, the disk will appear to gradually change color, turning from silver to orange or red.
当月球逐渐进入地球的阴影时，月面会逐渐改变颜色，从银色变成橘红色或红色。
If the moon completely covers over the sun's disk, it's a total solar eclipse.
当月球完全挡住太阳圆盘的时候，就会发生日全食。
An eclipse of the sun occurs when the moon passes directly between the sun and the earth, screening part or all of the sun's disk.
当月亮直接从太阳和地球之间经过，遮住太阳一部分或全部时，日食便发生了。
The dividing line between the bright and shaded regions of the disk of the moon or an inner planet.
明暗界线：月亮或内行星亮和暗的区域之间的分界线。
Because as a white disk near full moon, there is no trace of clouds.
因为这如白色磁盘圆月旁，没有一丝云彩。
A solar eclipse happens when the new moon passes in front of the sun, blocking out the view of the sun's disk.
当新月从正面经过太阳，挡住太阳圆盘的形状时，就产生日蚀。
Either the moon or the planet Mercury was passing across the sun's disk.
越过太阳表面的，可能是月亮或是水星。
During a total eclipse, the Sun's disk is completely occulted by the Moon.
在日全食期间，太阳将被月球完全覆盖。
However, Jupiter's largest moon Ganymede will appear on the same side of Jupiter as Io and Europa, though at some 3 times farther out from the Jovian disk.
然而，木星最大的卫星木卫三将会出现在木卫一和欧罗巴的同一侧，虽然它距离木星近轨有三倍距离。
Small moon Mimas is just touching Saturn's disk near the ring plane at the far right.
土卫一位于最右侧光环附近，紧贴着土星盘面。
Small moon Mimas is just touching Saturn's disk near the ring plane at the far right.
土卫一位于最右侧光环附近，紧贴着土星盘面。
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