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。
As Dr Colin described on July 9th to the International Cosmic Ray Conference held in Lodz, Poland, the moon blocks electrons and positrons as effectively as it blocks light.
7月9号在波兰罗兹举办的国际宇宙射线大会上，科林博士指出，月球能像阻隔光线那样有效的阻隔电子和正电子。
Unlike solar eclipses where the moon blocks the sun from our view in only a few locations on the planet, for lunar eclipses, as long as you can see the moon then you will see the eclipse.
与日食不同，当月亮遮挡太阳光时，在我们的视野里只有有限的位置可以供观看月食，就月食来说，只要你能看到月亮，就能看到它。
Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
The period when Earth'sshadow completely blocks the moon - known as totality - will last awhopping 1 hour and 40 minutes.
今年地球的阴影完全罩住月亮（即月全食）的时间将长达1小时40分钟。
The period when Earth's shadow completely blocks the moon - known as totality - will last a whopping 1 hour and 40 minutes.
今年地球的阴影完全罩住月亮（即月全食）的时间将长达1小时40分钟。
Lunar eclipses occur when the sun, Earth and moon sit in alignment and the Earth blocks sunlight from reaching the moon.
当太阳、地球和月球成一直线且地球遮挡了太阳照到月球上的太阳光。
Scientists are taking a closer look at this Saturn moon and finding more and more potential building blocks for very basic life there, despite Titan's surface temperature of -300 degrees Fahrenheit.
科学家们正对这颗木星的卫星进行更近一些的观察。尽管泰坦表面的温度不足零下300华氏度，他们仍然发现了许多基础生命存在的潜在构造。
A lunar eclipse occurs when the moon passes behind the earth, which blocks the sun's rays from striking the moon.
月食发生时，月亮从地球背后经过，这样就阻止了太阳光线照在月球上。
The period when the earth's shadow completely blocks the moon, known as totality, lasted an hour and forty minutes.
地球的阴影完全挡住月亮时，也就是全食，持续了一个小时四十分钟。
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。
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。
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