King Christian X, who had defied the Nazis and donned a yellow star.

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The flag of the People's Republic of China is red with four small yellow stars surrounding one larger star on the upper corner near the flag pole.

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Clearly the iShares MSCI Japan ( EWJ, in yellow) has been the star performer, as it is currently up around 15.4%, leading the Spyder Trust ( SPY, in green) by over 7%.

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Adding a sixth gold star to the famous yellow and green jersey will be difficult -- Brazil lost to Netherlands at the quarterfinal stage at the 2010 World Cup in South Africa -- but not impossible, Ronaldo says.

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The star then got into a waiting yellow cab ringed with photographers and TV cameras and left.

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Meanwhile, his 21-year-old star teammate, striker Mario Balotelli, carelessly collects yellow cards on the pitch all while drawing headlines for setting off fireworks in his country mansion and crashing his Audi A8.

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In addition, star colour is simulated for noticeably red, blue and yellow stars, along with the changing brightness of three variable stars Algol, Mira and Delta Cephei.

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