Recap

Space Solar Energy & Launch Systems

Former NASA manager John C. Mankins discussed how the development of space-based solar power systems could provide for the energy needs of the planet, as well as shared information about new, cutting-edge launch/propulsion concepts and self-assembling, modular satellites.

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Arctic Sea Ice Meltdown

Since the 1970s, scientists monitoring the polar ice cap with satellites have seen winter sea ice decline an average of 1.5 percent to 2 percent per decade. However, in 2005 and 2006, the amount of sea ice has fallen by six percent over each of the last two winters. This NASA animation shows the winter sea ice cover in the Arctic from 1979 to 2006, with the yellow area representing the farthest south reached by the ice. Read more at nasa.gov.