The exploration vehicle will be able to measure methane even at very low levels in many places on the surface.

VOA: special.2009.12.30

The three men had found one of the largest amounts of gold ever discovered lying on the surface of the Earth.

VOA: special.2009.02.04

So,at the age of forty-seven she started to glue crushed colored glass in special designs on every surface in her house.

VOA: special.2010.04.14

The total weight of equipment remaining on the lunar surface is about two thousand two hundred sixty eight kilograms.

VOA: special.2010.03.02

It says they should be placed on a separate sleep surface from their parents,without blankets, pillows or other soft bedding.

VOA: special.2009.08.26

Space scientists have collected a wealth of information from spacecraft that have orbited,landed on and dug into the Martian surface.

VOA: special.2010.07.28

He points out that even the driest deserts on Earth have more water than the surface of the moon near its poles.

VOA: special.2009.09.30

The researchers say the report offers evidence that one or more comets were responsible for a sudden cooling period on Earth's surface.

VOA: special.2009.01.20

When there is fresh snow on the ground, the surface of the snow takes in, or absorbs,sound waves.

VOA: special.2010.01.05

It is a small device that you move around on a flat surface in front of a computer.

VOA: special.2010.08.01

The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities,from forming.

VOA: special.2009.03.11

Embroidery work involves using colored yarn and a needle to create designs on the surface of cloth.

VOA: special.2009.11.04

But California officials recently registered objects left by the first men to land on the moons surface.

VOA: special.2010.03.02

It carried oxygen,water, electricity and food for two men for two days on the moon's surface.

VOA: special.2009.07.22