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Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Source: Spaceplace.nasa.gov
First, The origin of April fool’s day can be traced back as far as the period when Pope Gregory XIII established the Gregorian Calendar. The Julian calendar which was used before his time has New Year Celebrated on April 1st, this was due to the irregularities later found in the Julian Calendar whicRead more
Second, The second account on the origin of April Fools’ Day was provided by Joseph Boskin, a professor of history at Boston University. He explained that the practice began during the reign of Constantine, when a group of court jesters and fools told the Roman emperor that they could do a better joRead more
Macroeconomics is a branch of economics that concentrated on the behaviour of entire economies. Rather than looking at the price and output decisions of a single company, macroeconomists study overall economic activity, the unemployment rate, the price level, and other broad economic categories whicRead more
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