All About Astronomy
Tuesday, 29 July 2014
What is the universe made of ? (Fermions and Bosons)
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There are possibly only two classes of ‘particles’ in the universe – Fermions and Bosons. All elementary particles (Quarks, Leptons, Guage...
Tuesday, 11 February 2014
Which Car Had Been Driven On the Moon?
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The American Apollo program 15,16 and 17 that travelled to the moon during 1971 and 1972 carried Lunar Roving Vehicles(LRVs) or Moon buggie...
Friday, 3 January 2014
Earth's Magnetic Field
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Magnetic fields are produced by the motion of electrical charges. For example, the magnetic field of a bar magnet results from the mo...
Tuesday, 15 October 2013
Astronomical Distance Scales
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Some Common Distance Units: Light Year : the distance that light travels in one year (9.46 x 10^17 cm). Parsec (pc) : 3.26 light yea...
Monday, 14 October 2013
Hubble's constant (Hubble's Law)
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The Hubble constant H is one of the most important numbers in cosmology because it may be used to estimate the size and age of the Unive...
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