NASA hopes that Dawn's year long orbit around Vesta will help scientists learn more about the development of the solar system, and how asteroids and other space objects were created.
VOA: special.2011.07.27
Astronomers use the observatory to study the positions and movements of the Earth, sun,moon and other objects in space.
VOA: special.2009.09.21
And we hear about objects in space that are threatening satellites and the International Space Station.
VOA: special.2009.04.01
She expresses concern that people traveling in space might someday damage the spaceflight objects.
VOA: special.2010.03.02
NASA says this will provide a panoramic view of Earth and objects in space.
VOA: standard.2010.02.08
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