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An aurora is a natural phenomenon. A natural phenomenon is an observable event which is not man-made. Examples include: sunrise, weather, fog, thunder, tornadoes; biological processes, decomposition, germination; physical processes, wave propagation, erosion; tidal flow, and natural disasters such as electromagnetic pulses, volcanic eruptions ...
The phenomenon occurs at high altitudes, where intense wind and cold conditions contribute to the formation of these striking natural features. Image credits: Sastognuti #30 Lenticular Clouds
summer also brings about a number of changes to our planet, from warming temperatures to dangerous thunderstorms to fireflies that flash in unison.
Some of these natural phenomena are so bizarre that it can be tough to believe they exist, but the breathtaking and eerie wonders reveal nature's immense power. From a bright The most incredible ...
Most auroras occur in a band known as the auroral zone, [41] [42] which is typically 3° to 6° wide in latitude and observed at 10° to 20° from the geomagnetic poles at all longitudes, but often most vividly around the spring and autumn equinoxes. The charged particles and solar wind are directed into the atmosphere by the Earth's magnetosphere.
A timelapse composite panorama of different natural phenomena and environments around Mount Bromo, Indonesia. Nature is an inherent character or constitution, [1] particularly of the ecosphere or the universe as a whole. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life.
In 1997, CNN released a "Seven Natural Wonders of the World" list, which comprises geological, aquatic and astrophysical phenomena, in collaboration with the Seven Natural Wonders organization.
[10] [11] Positive clear-air strikes can occur in highly sheared environments where the upper positive charge region becomes horizontally displaced from the precipitation area. [12] Cloud-to-air lightning is a lightning flash in which one end of a bidirectional leader exits the cloud, but does not result in a ground flash. Such flashes can ...