Exploding Stars Help to Understand Thunderclouds on Earth – SpaceRef http://spaceref.com/earth/exploding-stars-help-to-understand-thunderclouds-on-earth.html cosmic ray etc shower etcᆞ lightningᆞ thunderstormᆞ daeth ray ray etc weapon system 차이

Exploding Stars Help to Understand Thunderclouds on Earth – SpaceRef
http://spaceref.com/earth/exploding-stars-help-to-understand-thunderclouds-on-earth.html

cosmic ray etc shower etcᆞ
lightningᆞ
thunderstormᆞ

daeth ray
ray etc weapon system 차이

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