When this happens, one plate moves past the other, suddenly causing the Earth's surface to split.
VOA: special.2010.01.12
The U2 was brought down by an S-2 surface to air missile.
VOA: standard.2010.05.07
To explore the surface of the moon, astronauts must be able to survive outside the protection of their spacecraft.
VOA: special.2009.07.01
Scientists have long believed that Earth's satellite lacks the ability to hold water near its surface because it has no atmosphere.
VOA: special.2009.09.30
NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.
VOA: special.2009.12.30
In the study, scientists placed highly sensitive measuring equipment two hundred to two hundred seventy meters under the ocean's surface.
VOA: special.2009.07.07
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
NASA scientists hope to extend their search for water as deep as five meters beneath the surface of the moon.
VOA: special.2009.09.30
Or,they can be more complex such as using liquid glazes to change the color or shininess of the clay surface.
VOA: special.2009.09.09
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
Volcanic activity broke the large island into pieces that came to the surface of the sea over time.
VOA: special.2009.12.16
LCROSS will then study the soil thrown up to ten kilometers above the lunar surface before it too crashes into the moon.
VOA: special.2009.09.30
Armstrong began to describe what he saw: "The surface appears to be very, very fine grain,like a powder.
VOA: special.2009.07.15
The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities,from forming.
VOA: special.2009.03.11
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