All his movements were made against a force that could reach six times the power of gravity.

VOA: special.2010.07.07

Because of the gravity on Mars, spacesuits may have to be designed to be lighter than suits used in orbit or on the moon.

VOA: special.2011.04.06

They moved easily and quickly, because the moon's gravity is six times less than Earth's.

VOA: special.2009.07.15

HeLa cells have gone to the moon to test the effect of zero gravity.

VOA: special.2010.07.21

Scientists can observe what they believe to be dark matter only through its gravity.

VOA: special.2009.07.21

He quickly learns that gravity on Mars is much less than on Earth.

VOA: special.2010.07.17

These are all influenced by the gravity of the solar system's largest planet.

VOA: special.2011.02.09

They have found that lack of gravity has a severe effect on bones.

VOA: special.2009.03.10

At that speed, the pressure is three times the force of gravity.

VOA: special.2010.07.07

As hours passed, the pull of the moon's gravity grew stronger.

VOA: special.2009.07.15

There is no gravity to hold them in place.

VOA: special.2009.06.24

It was the debut single from his latest album,Defying Gravity, which became his first release to top the Billboard 200.

VOA: standard.2009.12.22

So the Pentagon awarded a 4-billion-dollar contract to build a version with a lower center of gravity and improved suspension.

VOA: standard.2010.08.01

"Buildings in Jakarta are built to withstand horizontal acceleration of about and this earthquake which just happened yesterday maybe about five percent of gravity,"

VOA: standard.2009.09.07