Endeavour, part of the retiring shuttle fleet, rolls to the launch pad in Florida. NASA will also launch crafts to aid the study of sea salinity, the sun and aerosols. (Matt Stroshane / Getty Images / January 6, 2010)From the L.A. Times:
Reporting from Washington - NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But the agency also plans to launch three new satellites aimed at better understanding the sun and Earth's climate and oceans.
Two satellites will examine Earth -- specifically, the concentration of salt in the world's oceans and the presence of aerosols, or minute particles, such as dust or ash, in the atmosphere. A third satellite mission will study the sun and its effect on space weather, including solar flares that can disrupt communication on Earth.
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