Gap Fill - Moon Flashes - Level 4


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   base      briefly      conditions      darker      familiar      flashes      flashes      gases      interior      long      places      seismic      several      short      solar      strange      strike      sufficiently      sunlight      telescope  
Scientists are puzzled at of light on the moon. This situation is happening times a week. Sometimes the flashes are ; at other times they are . On occasion, there are on the moon that become . Experts are wondering what is causing the flashes. A meteorite can make the moon's surface glow . The flashes could occur when electrically charged particles of wind hit moon dust.

A has been set up to look at the moon. A professor said that activities on the moon move its surface. He said that reflect could escape from the and cause the flashes. He added that the moon have been happening since the 1950s, "but they have not been observed". The professor said countries that want to build a on the moon should be " with the local ".

Try the Moon Flashes - Level 5 gap fill.

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