The two men did this by studying what Hubble called the "red shift."

VOA: special.2009.04.29

In light of the Pakistani Taliban's alleged involvement, some speculate there could be a shift in US policy toward Pakistan.

VOA: standard.2010.05.18

Viroj Na Ranong,an economist with the Thailand Development Research Institute, a policy research agency, fears that shift is under way.

VOA: standard.2009.12.23

He says neither side expects a major shift in relations, but the White House does have reason for concern.

VOA: standard.2009.11.12

The senator added that the cornerstone of U.S.strategy should be the effort to shift responsibility to the Afghan people.

VOA: standard.2009.10.26

"I have spoken already to customers here; they are planning shift to iPhones if BBM is closed."

VOA: standard.2010.08.02

"This election was not only about changing the party in power. It also involves pretty substantial generational shift,"

VOA: standard.2009.08.31

Soros says his plan to finance the shift with IMF funds has been well received by international governments.

VOA: standard.2009.12.11

Torgl just finished a 13-hour shift at the Detroit Chrysler plant that President Obama will visit on Friday.

VOA: standard.2010.07.29

Geithner says the United States is seeing signs of a shift to saving more and borrowing less.

VOA: standard.2009.11.12

But a shift in emphasis to security issues offers a new set of challenges for the president.

VOA: standard.2010.01.06

Mr.Mesic helped discourage nationalism and encouraged a shift to the West with his country's entry into the North Atlantic Treaty Organization,earlier this year.

VOA: standard.2009.12.28

And NATO expert Jean Sylvestre Mongrenier says it reflects a shift to a more balanced distribution of power between Europe and the United States.

VOA: standard.2009.09.10

The shift means Middle Eastern players are relying less on the Islamic Republic for political backing.

VOA: standard.2010.07.26