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Fermat Numbers

Fermat Number, a class of numbers, is an integer of the form $ F_n=2^{2^n} +1 \ \ n \ge 0$ . For example: Putting $ n := 0,1,2 \ldots$ in $ F_n=2^{2^n}$ we get $ F_0=3$ , $ F_1=5$ , $ F_2=17$ , $ F_3=257$ etc. Fermat observed that all the integers $ F_0, F_1, F_2, F_3, \ldots$ were prime…

Meet A1689B11 : The oldest spiral galaxy ever discovered

In a collaborative attempt, astrophysicists from different institutions have found success in discovery of A1689B11 – a spiral galaxy that’s said to be the oldest discovered. The research reports an integral-field spectroscopic (IFS) observation of this gravitationally lensed spiral galaxy. It is the most ancient one till date and is calculated to be 11 billion years old, which means it existed…

Introduction to the Universe

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The Nobel Prize in Chemistry 2013

  Classical mechanics is considered to be just opposite to quantum physics in terms of theory and practical models. Classical mechanics, especially Newtonian Mechanics, and quantum mechanics are definitely two fundamental but equally different branches of physics having no significant connection to each other. These completely disjoint subjects were glued by the work of the trio of Martin Karplus, Michale…

Perseids : Long Story Short

What are perseids? Perseids are the regular and most predictable meteor shower which appear regularly every year. They are associated with Swift Tuttle comet and appear to rise from the radiant in the constellation Perseus. Swift Tuttle comet, formerly known as 109P, travels toward Earth’s part of solar system every 133 years leaving traces of perseids. It was last seen…

Finally a Physics Nobel Prize for Higgs boson Theorists

The 2013 Nobel Prize for physics has been awarded to Peter Higgs and Francois Englert for their remarkable contributions to the theory of Higgs boson “God Particles”. It came after 50 years Peter Higgs, Robert Brout, Gerald Guralnik, C R Hagen, T. W. B. Kibble and Francois Englert independently announced the existence of Higgs boson in 1964 to put the…