ScienceCasts: Solar Minimum is Coming

Intense solar activity such as sunspots and solar flares subsides during solar minimum, but that doesn’t mean the sun becomes dull. Solar activity simply changes form. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more.

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ScienceCasts: Planetary Defense

NASA's Planetary Defense Coordination Office is working to keep Earth safe from asteroids and other hazards that come from deep space. Visit http://science.nasa.gov/ for more. NASA Planetary Defense: http://www.nasa.gov/planetarydefense Click here to see more videos: https://alugha.com/NASA

ScienceCasts: Ocean Worlds

Visit http://science.nasa.gov/ for more. We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us. Click here to see more videos: https://alugha.com/NASA