NASA JPL
@NASAJPL
The Jet Propulsion Laboratory advances science and discovery through NASA robotic missions exploring Earth, the solar system, and the universe.
加入 January 2009
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A hummingbird in Antarctica?
This striking image, taken by the NISAR satellite, is actually a mountaintop surrounded by flowing, fractured ice. Radar reveals features at and beneath the surface that ordinary images can miss. More:
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