* The year 2008 had 23 solar cycles and it is common if there is change in Sun’s conveyor belt.
* Nova : (types – fast, slow, recurrent)
A nova (pl. novae) is a cataclysmic nuclear explosion caused by the accretion of hydrogen onto the surface of a white dwarf star, which ignites and starts nuclear fusion in a runaway manner. Novae are not to be confused with supernovae or luminous red novae.
* “The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world
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