Sycamore trees are white barked and easy to spot. Their smooth round seed balls stay on the trees all winter long and persist ...
Commercial Spaceflight Advances and Challenges It feels like every week there’s some new development in the world ...
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Watch this 4K footage of a big filament eruption on sun triggering a long duration flare
NASA's Solar Dynamics Observatory captured a magnetic filament erupting on the Sun. The filament was "connected to sunspot ...
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