News tagged with altitude

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Video: Sprites, gravity waves and airglow

Look! Fast! Sprite lightning occurs only at high altitudes above thunderstorms, only last for a thousandth of a second and emit light in the red portion of the visible spectrum, so they are really difficult ...

Sep 05, 2014
5 / 5 (2) 0

Three pieces of evidence point to jet's takeover

There are three pieces of evidence that aviation safety experts say make it clear the missing Malaysia Airlines jet was taken over by someone who was knowledgeable about how the plane worked.

Mar 16, 2014
5 / 5 (5) 2

'Area 51' exists, but no UFOs: CIA paper

A newly declassified CIA document confirms the existence of famed Area 51 in Nevada, but conspiracy theorists will be disappointed the spy agency offers no proof of alien spaceship landings in the desert.

Aug 17, 2013
3.9 / 5 (16) 13