Mysterious red lightning on Earth Caught from Space

On August 10, 2015, astronauts on the International Space Station (ISS) saw a very mysterious red flash in the sky Missouri, United States, and El Salvador. Both were caught in just a span of three minutes.

Lightning visible diameter of 100 kilometers. Usually, it is difficult to see the lightning in the sky with the naked eye. So, seeing two flash light directly in a short time very lucky.

Scientists previously have alleged that this feneomena triggered by gravitational waves in the atmosphere. In his study, a researcher Ningyu Liu from the Florida Institute of Technology succeeded in proving that the allegations were true.

According to Liu, a small disturbance in the atmosphere as a result of gravitational waves can grow in the electric field existing in the storm to eventually form a lightning called sprites.

Interference with a small size with a large amplitude are the best conditions for the emergence of a sprite, "Liu was quoted as saying Eureakalert June.

If the interference is too large size, the formation of the sprite can not be happening. If the magnitude of a minor annoyance, it took a long time for the sprites to form, "he said.

So why red sprite? According to Liu, sprite lightning storm occurs when electrons in the ionized by nitrogen. and that's what led to red.

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