[31 Dec 2013] Sun flips upside down while reversing magnetic poles - English

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31   Dec   2013   Sun   flips   upside   down   while   reversing   magnetic   poles   PTv   presstv   English   The   Sun   has   undergone   a   complete   field   reversal   with   its   north   and   south   poles   changing   places   as   it   marks  

The Sun has undergone a \\\"complete field reversal,\\\" with its north and south poles changing places as it marks the midpoint of Solar Cycle 24. Experts say that the reversal of the Sun\\\'s magnetic field is, literally, a big event and it is a regular part of the solar cycle. While it may seem like the event could have catastrophic repercussions for the galaxy, its effects are actually more subtle, mostly interfering with space exploration. Some researchers say cosmic rays are a danger to astronauts and space probes and might affect the cloudiness and climate of Earth. NASA has released a visualization of how the switch occurs. Beginning in 1997 and ending in 2013, it shows the green positive polarity switching with the purple negative polarity. Solar Cycle 24 has been viewed as quite unpredictable. First, it came late by about a year, with extremely low activity recorded throughout 2009. This prompted astronomers to shift a predicted 2012 peak to 2013.

Added by PTV on 01-01-2014
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