The team used the most powerful telescope in the world - the National Science Foundation's Very Long Baseline Array.

VOA: special.2009.01.20

He also calls it the most powerful tool available in the race to meet the Millennium Development Goals by twenty fifteen.

VOA: special.2010.10.25

The event gathers some of the world's most powerful political and business leaders at a small ski village in the Swiss Alps.

VOA: special.2009.01.23

In the nineteen thirties and nineteen forties, Louis B.Mayer was the most powerful businessman in Hollywood.

VOA: special.2009.05.31

Ida Tarbell used her reporting skills against one of the most powerful companies in the world.

VOA: special.2010.04.25

He owned the New York Yankees. His desire to win at all costs produced not only the most powerful team in Major League Baseball.

VOA: special.2010.07.26

It was the fourth-most powerful earthquake ever measured worldwide and the worst to hit Japan.

VOA: special.2011.06.07

His father and grandfather were two of the richest and most powerful businessmen in America.

VOA: special.2009.11.16

He said guitarists could become some of the most powerful people in a band.

VOA: special.2009.09.27

He was one of the richest and most powerful men in the world.

VOA: special.2010.04.25

The company says Falcon Heavy will be the most powerful rocket ever built.

VOA: special.2011.04.26

John Henry was the most powerful looking baby people had ever seen.

VOA: special.2009.02.21

It was the most powerful telescope in the world for twenty-five years.

VOA: special.2009.04.29

It was the largest and most powerful group in the west.

VOA: special.2010.04.01

Van Buren quickly became the most powerful man in Jackson's cabinet.

VOA: special.2009.01.01