At any rate, as the star of the film, Diaz no doubt had enough clout to approve or veto her co-star, so she must be in favor of working with her ex.

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Miss Leavitt found that the rate depends on the star's total light output (luminous Cepheids pulse more slowly than feeble ones) a discovery that allows them to be used for cosmic surveying.

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But the companies defend their narrowing of options by saying that if they included thousands of hotels, users would have tough time searching the entire inventory by rate, star rating and location on a tiny smartphone or tablet screen.

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The Michelin Guide uses its star ranking system to rate restaurants.

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The 54% failure rate of five-star players to be drafted is "quite high" and somewhat surprising, said Cary Caro, an assistant business professor at Xavier University in New Orleans who analyzes and has written about recruiting.

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S. Abraham Ravid, a professor of finance at Rutgers University and a visiting professor at the Wharton School of the University of Pennsylvania, looked at nearly 200 films exhibited between late 1991 and early 1993 and concluded that a film's star had no impact on the flick's rate of return.

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Only 8% of the charities we rate have received at least 4 consecutive 4-star evaluations, indicating that Center for Security Policy consistently executes its mission in a fiscally responsible way, and outperforms most other charities in America.

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The lead is played by a British film star, Helen Mirren, the cast is uniformly excellent and Mr Hytner's work is first rate, as is Bob Crowley's set.

ECONOMIST: ��Ph��dre�� at the National Theatre